Billions of mobile phones are sold each year across the world. Just in 2017, different mobile phone vendors reported the sale of more than 1.5 billion mobile phones being sold across the globe and this figure does not take into account the huge number of used mobile phones sold. But the irony is tha...

Today, phones are an essential part of our lives. Phones are our navigational aids, contact lifelines, and they bring us endless source of information and entertainment. However, they are designed with a certain lifespan and can't last forever. Outer casing, battery life, storage and many other...

Know Something About PDF PDF files, short for portable document format files and created by Adobe, are the kind of format that widely used around the world today. It provides an electronic image of text or text and graphics that looks like a printed document and can be viewed, printed, and ...

People install tons of Apps on Android and thus find out that it is not a simple task to manage those files. In this article, I would like to show you how to install or uninstall Android Apps in batch on your computer. People also read: Backup Android Apps to PC Transfer Apps from An...

In the passage Samsung Kies: Manage Samsung Devices via Computer, we've mentioned two ways to connect Samsung phones to Kies: USB and Wi-Fi connection. The first method is very simple and I guess all of you know how to do it. So, this article aims at introducing how to connect Galaxy devices to Sa...

Mirroring your Android device's display on your TV can be useful when you're giving a demonstration, presentation, showing off photos from a recent trip, or showing how to play a game and use an app. With the screen mirroring feature, you can achieve the goal. Here is how to mirror Android to smart ...

There appears a flash screen on some people's new Android phones, and they doubted whether there is something wrong with the phones. However, it might be the mainly because your OS system cannot decide between hardware GPU or software CPU. Especially when you open small applications or using the Chr...

Intro Insert SIM Card Transfer Data from Old to Galaxy S8 Set Up Google Account Root Samsung S8 Insert SD Card Recover Deleted Data Set up Android Device Manager Samsung Galaxy S8/S8 Plus, the new comer, catches the eyes of users who tend...

Android O is available for some Nexus or Pixel phones now, and soon will come to popular Samsung Galaxy Note 8, HTC U11, LG G4, Oneplus 5 and etc. However, there might be some bugs and issues that make your Nexus run not so smooth as before. Worse still, you are not comfortable with the new features...

Android 8.0/Android O (might be called Android Oreo) is coming this August, the concrete official release date is still unknown though. But right now, the beta version is available. If you got the Nexus or Pixel phone, you can install Android O on your phone and test out the new features of it. Foll...

Being introduced in smart TV in Android 7.0 Nougat, Picture-in-picture is also coming to Android phones,as a highlight feature in Android 8.0. It allows the device to display one or more program in pinned windows at the corner when playing a program on the background screen.Let’s dig into the awesom...

It is a common case that we would be sometimes charged for the extra data fee by the carrier who provides us with a connection. Users may have no idea that they use too much and even didn’t realize the overage data usage was happened. Paying this fee is totally a waste of money as most cases of the ...

Amazon Instant Video is an Internet video on demand service that is launched and operated by Amazon. Providing thousands of television shows and films for renting or purchasing, it allows users to watch anything you prefer on any internet-connected computers with an Amazon account and a compatible, ...

Nowadays, users would like to cast or record their Android device to computer (Mac or Windows) for some reasons such as gameplay strategy and skills guide, business presentation etc. In this way, a good Android recorder is extremely important for the job. Now, this guide would show you how to mirror...

YouTube is one of the most popular video sites around the world and people can always find out what they want to watch as millions of videos have been uploaded and shared here. And I do believe YouTube would be the first place to go when someone searches for the media contents. However, not all the ...

To release the internal memory, people tend to insert an external SD card into the handset, in the meantime, to enlarge the storage of the phone. However, some users usually complain that the SD card can't be detected or read by the device. In this way, let's find out the reasons why SD card doesn...

If you are away and there is a live streaming video you don't want to miss(a Live Sports Match, for example), what would you do? Now, I would recommend a solution for it. The idea would be: download an app on your computer which can automatically record the live streaming video for you even you are ...

If you want to flash a third-party ROM to get additional features, communicate with ADB on a computer for developer-type actions, backup & restore your phone, root and other tricks to dig into your Android system, you should install the custom recovery on your Android phone to replace the defaul...

Afraid that someone would see something stored in phone? We do like sharing things with families and friends while we tend to let secrets be secrets as well. It is undeniable that everyone has his own secrets. Samsung has brought to users Private Mode as to protect their privacy. Private Mode is dev...

As the smartphone is so important to us, it would be like a torture if your battery power is used up when you are outdoors without any power bank. To solve this problem, you can try to enable the Ultra power saving mode on your Samsung Galaxy. Please continue to read on the article and you will know...

This article would talk about how to optimize Samsung with device maintenance, which provides an overview of the status and aims to improve performance for your device's battery, storage, RAM and security system. Please check it out below. People also read: Optimize Samsung Galaxy S7/S6 for I...

Apple introduces Spotlight Search on the new iOS 11. Like it is on Mac computer, the Spotlight can help users index and search for the items in a very effective way. Now, let's check more details about it on the iPhone or iPad with iOS 11. People Also Read: How to Downgrade iOS 11 Beta to iO...

Apple unveiled Business Chat for iMessage, one of the features carried by iOS 11, at a WWDC developer preview. Business Chat is a pretty effective new communication platform for businesses and it allows customers to connect directly with businesses to get answers, resolve issues and more via the mes...

Thumbnails are caches on your phone storage which help to speed up the loading of folders on the system and your phone does not have to search for them each time you open photo gallery. However, sometimes your Android device reads "no thumbnail"in photo album. Why No Thumbnails Error would happen in...

iOS 11 was unveiled by Apple at its WWDC 2017 keynote on 5 June. After this big event, people who are interested in the terrific and fancy features from iOS 11 may try to install the iOS 11 Beta. After all, it is not big a deal to install the beta as users without a developer account can also be abl...

We sometimes may be confused about the location of pictures on Android phone. People like taking pictures with Android smartphones which equipped with HD cameras. They also prefer taking and editing photos with fun camera apps. As the number of the photos increases, the internal storage becomes less...

There are lots of new features in iOS 11 that you can preview at WWDC 2017. But please do not ignore the one which even didn’t being mentioned-“Core NFC” framework during the keynote. Screen Recorder: Capture Live Stream Videos on PC/Mac Directly Record Your iPhone Screen Near-fie...

Limited storage space on smartphone can always be an issue for most of the iPhone users, especially for those who are only with 16GB of storage for their phone. To release the storage space, you may be forced to delete some files or apps from time to time. To make up this problem for users, Apple ha...

Considering the situation that your friends visit your apartment as a guest, what would be the first thing they may do? Of course asking for a Wi-Fi password! Normally, you need to tell them the complicated password you set up before so that they can connect to the network on their mobile phones. So...

Surprised！Monument Valley 2 is shown on stage during Apple's WWDC 2017 and it is available Right Now. The scenes are still stunning, the story is more touching and beautiful, but the puzzles are much more complex and confusing. If you can easily advance in the Monument Valley 2, why not record the w...

If you have been following along the WWDC 2017, you may get the new iOS 11 latest news such as release date, new features and so on. An advanced iOS system can help iPhone users to easily deal with the basic tasks and get better performance when using your devices. People Also Read: Auto Offlo...

Is it possible in any way to enable the System UI Tuner in Samsung Galaxy S7 with Nougat, or has Samsung removed this feature? I'm particularly looking for notification power controls as there seems to be no way to disable heads up without also making them silent. People also read: Tips to M...

Hey guys, I'm starting a Gaming channel soon but I can't find the right app to record my Android screen. Also, I soon realized that I cannot record a screen without background voice. Someone referred me on the Internet but I think they require me to root my device. Are there any other ways? If s...

"I'm going to set up a channel on YouTube to share iOS unknown features and tricks, but many apps ask me to jailbreak iPhone. Any other ways?" Recording iPhone screen can be a great way to share useful iOS tips & tricks, popular gameplay walkthrough, phone fix solution or show new product feat...

Google I/O 2017: updates and changes come to Google Assistant that you should never ignore. Google Assistant is now available on about 100 million devices and the number seems to be rising. A Google Assistant app will be rolled out for the iPhone and Google Assistant has been available through the A...

Google assistant is a smart voice assistant that is first unveiled at Google I/O 2016. When talking about voice assistant, you may also come up with Amazon Alexa, Apple Siri, and Microsoft Cortana. They are alike with the Google Assistant to some extent. However, Google Assistant works in a more com...

Have you ever met the error with the message "Firmware Upgrade Encountered an Issue" on your Android smartphone such as Samsung Galaxy S5/S4/S3? You may be confused about the reasons why this issue would appear, or want to know when it would appear. While updating or downgrading your smartphone, it ...

While trying to install new firmware on my Galaxy Note 4, I encountered this error "Firmware Upgrade Encountered an Issue. Please Select Recovery Mode in Kies". It happened because the firmware I was trying to flash didn't flash properly and it gave an error "All threads completed. (succeed 0 ...

Factory Reset Protection, which was introduced with Android 5.0, is a feature that can help to protect you smartphone from being reset and resoled when it is stolen by the thieves. Every time when someone tends to perform a factory reset on the phone with the Factory Reset Protection feature enabled...

We use our smartphone to send texts, take photos, write and receive e-mails, etc. and in this way, tons of essential data is saved and store on the device. It is a nightmare that your information is exposed when the phone is stolen or lost. Fortunately, the Factory Reset Protection feature on Androi...

Need to show others the way to play a specify game on social network like YouTube? Want to teach other people how to use program or software in a simple way? Or would like to make demos to show off your apps? Making a screen recorder would be your best choice. This article would introduce the top 5 ...

I was using my phone and the screen suddenly went black. It will not come back on, I've tried to reset it multiple times, but that didn't work. Also, the phone will not charge and there are no lights being shown. What should I do? Please advise. Top 5 Common Problems for Android Phone &am...

Adobe Photoshop, developed and launched by Adobe, is a predominant raster graphics editor. It supports both macOS and Windows users to deal with their photos with the Photoshop software installed on their computer. As this tool has been come out for a pretty long time (since 1988), it does keep up...

Instagram is my favorite social media which allows us to reach and get more close to the world. In our daily life, we like to edit photos with the built-in filters and the tools so that they can look more terrific, and then post them to keep on our profile grid. I believe most of the users would d...

TouchRetouch is a terrific application that can help you to deal with your photos in erasing the objects you don’t want. You may wonder what kind of changes that the app could offer. Now please check it out below: 1. Remove photobombers when you take photos with friends or other objects like trash c...

TouchRetouch, an app launched by Adva-Soft, allows users to remove or erase anything or any objects from your photos. Sometime you may be freaked out when you flip through the old photos and find out that there are some undesirable photobombs that absolutely destroy your pictures. At that moment, th...

Everyone wants make their photos pop and get more likes from others on the social medias like Facebook. Editing photos seems to become a must before they create a post. There are tons of apps that can be found from the Google Play. However, not all the apps are good enough to use. What are the best...

Snapseed is one of the most popular photo-editing apps available for both iPhone and Androids users. It is multifunctional and easy for use. Besides the basic editing functions like rotate, crop, and contrast, Snapseed is also loaded with extra non-ignoble features like the brush, healing, perspecti...

Snapseed is a very powerful photo-editing application that you should never ignore. With this app, you can deal with the photos like a professor if you know the skill of using it. Quick preview: How to Edit Photos by Using Snapseed? 1. Open Snapseed app 2. Choose images you want to edit 3. Tap on ...

You may have heard about Snapseed, a photo editing app just like Instagram, but many users don't really aware how powerful it is. If you want to make your photos more impressive, you should explore the advanced features in Snapseed. There’s your typical level adjustment for exposure, contrast, highl...

As we all know, not all the smartphone can add an external storage to enlarge the storing space. If your phone has a MicroSD card slot, you can use it to expand your space for music, movies or even apps. However, it is not the fact that you can choose the capacity of a SD card as large as possible. ...

"I put the SD card into my Android phone because I'd run out of storage. However, something weird just happened. When I went into Gallery app, I suddenly noticed that all the pictures previously taken and stored on the SD Card are not gone! I have no ideas what happen to my SD card. Can anyone p...

Instagram is one of the most popular applications that allow users to share their beautiful and interesting photos. If you have ever posted any photos or videos on Instagram, you may not strange for the Instagram hashtag. This article would show you more details of the hashtag so that you can benefi...

I own a Samsung Galaxy S5. When I insert the SD card inside, it keeps saying "Preparing SD Card" and then a few seconds later it says my SD card has been removed. It happens every 2 seconds and I cannot use the SD card at all. I have no ideas what is the matter with this SD card, even though I o...

Consider you are an owner of a phone that purports to have the internal storage of 16GB or 32GB and when you download the apps from the Internet or the app store to your device, you may sometimes be prompted that your device doesn’t get sufficient storage available. However, when you go to "Settings...

SD cards play a very important role in our daily life and they are usually used in phones and tablets. SD card mounting means the OS will read the SD card file system so it becomes aware of the contents and becomes in control of the reading and writing operations to it. Most devices will automatical...

When you post a photo or video on Instagram, you may also want to share them on the other social media platform such as Facebook, Twitter, Ameba or Swarm. Fortunately, Instagram makes it easy for you to connect your profile with the online marketing channels. Why you should connect your social media...

We all know that if you post a photo or video on Instagram, all your followers would able to see it from the Feed. But by using Instagram Direct, when you send a post from a private account as a message, only people who follow that account will be able to see it. Instagram Direct allows you to excha...

For continuous improvement, Instagram introduced a new feature that allows users to share 15-second video clips on the social networking site. However, downloading Instagram videos is not supported by Instagram themselves yet. So how can you do if you want to download the interesting or useful video...

When viewing some fabulous or amazing photos posted by others on Instagram, would you want to save them on your device or just keep them on your computer? However, you can not able to find any button that can save a picture. Please don’t worry about it as there is a way that you can easily save Inst...

Please consider the following situations: 1. There is something wrong with the Apps or the software on your Android, and you need to ask the related company who sold you the products for technical support. Making multiple marked-up screenshots to show is not a good idea as it takes you so much time ...

For various reasons, for instance, making tutorial for some specify settings on Android, showing off the gaming skill to others and so on, you sometimes need to record your Android screen. Some of the users may be right away looking for the good method to record videos playing on Android, I am sure ...

Sometimes you may need to show your iOS screen on your computer or record it and save it as a video. Of cause there are tons of methods to guide you to obtain if you enter "how to record my iPhone" on the search engine. But these different methods may not be able to fit you well. So how to do? Pleas...

I'm starting a Gaming channel soon on iOS gaming but I can't find the right app to record my iPhone screen. I am wondering if someone could recommend a good one. I got some advises before but I think they require me to Jailbreak my device. Is there any other ways? Please help. Thanks! If you ne...

What is the simplest way to record my iPhone 7? I need to show the task on my device to several of my colleagues so that they can follow the way to finish it. The question is that two of them are not in our office and I need to send the task to them. Otherwise I don't need to record my iPhone an...

I believe that most people like to secure smartphones with screen lock. So do I. However, Screen lock can somehow be inconvenient to some extent. If we urge to make a phone call, it seems redundant. It is moreover annoying that we have to enter password/pattern every time we turn on the screen. Sams...

"My screen keeps off when I was reading interesting articles on Facebook on my S7. Really dislike tapping on the screen now and then! That is totally driving me nuts!" A friend of mine complained to me about such a thing last night. It is really amusing because he even doesn't know that there is ...

Nowadays, people are able to easily get access to all kinds of information thanks to the rapid development of technology. It is good for us to search for and glean things that interest us. However, it is also hard for us to ensure the security of our private data, especially something stored on our ...

Make a call totally for free? It is different from the voice/video call available on some messaging applications. It is Wi-Fi Calling, which means you don't need to download any apps for making free call. You can call up your friend as long as you want to. Beset by poor signal indoor? With Wi-Fi Cal...

As Android users, you must be familiar with USB debugging mode, which allows you to have a full use of your phone when connecting to computer. To enable it, you can manage the privacy data like contacts, messages, call logs, etc. stored in Android with the 3-party software on computer. You can easil...

When you are sharing photos from a trip, an event and a show, or travelling down memory lane, you can slide show the pictures on a smart TV. It is because scrolling the picture library is hard when besieging by your audience. Playing photos slideshow on your smart TV will make things easier. Here is...

Enjoying the latest movie in the cinema at weekend is one of my favorite hobbies. However, if the weather is bad, I would like to watch the video on my Android phone. For better visual experience, I will turn my room into a family cinema by mirroring the Android phone screen to the smart TV. Then I ...

Playing Android Games on big screen is a fantastic experience because it is more funny and enjoyable. And you can show off tricks on the game, demonstrating how to survive the game, how to get high score, and how to break the record. For game developers, you can show your audiences how excellent the...

"Using cell phone while driving is at least a contributing factor to more than one-in-four car accidents across the country." A recent study from the National Safety Council found that 26 percent of all car accidents were caused by a driver using a cell phone. Extremely horrible, right? However, m...

Undoubtedly, iTunes is the best companion of iPhone and iPad. It allows you to sync contents like music and movies from iDevice. So usually when I would like to sync something to iTunes, I plug my iPhone/iPad into the computer. Every time I do that smoothly. But yesterday, after I connect my iPhone ...

People may get really familiar with the media management software -- iTunes as it allows you to play, stop, rewind, fast-forward and otherwise listen to music files stored on your computer. You have download heaps of music and videos to iTunes on your computer because it has a larger storage capac...

Are you a perfectionists? If you are, you should want your iTunes music library well organized and managed. So missing album artwork of songs in your iTunes Library must be extremely irritating sight which is aesthetically unpleasant. What's more, the library is messy. Thus, this guide will show you...

How many tracks have you been storing in iTunes music library? Is your iTunes full of duplicates and all kinds of files? It’s totally a nightmare to see your iTunes library become such a messy system, isn’t it? Never mind, all you need is just a helper that can help you organize iTunes library. Don’...

iTunes is a great way to enjoy our favorite music or video in our daily life by organizing, storing and downloading them. Though some popular channel like YouTube, Soundcloud, Vimeo, Vevo and Radio are great platform for us to get music and videos, but sometimes we may feel tired to use different ch...

If you are a crazy music listener, you may use iTunes a lot. There are a plenty of different types of songs on it, and you may feel confused and sometimes get annoyed about the disorganization of the playlist. If you’ve downloaded songs from some third-party sites or providers, you will notice that ...

You always get problems from the iTunes library every now and then, don’t you? You may have playlists or songs that disappear in the library, or you may lose every iTunes music/playlist you’ve stored in iTunes library due to system crash or failed hard drive. One way to try and fix these issues is t...

After using Android phones for a period of time, you may find the internal memory is not sufficient along with the increase of data stored in the devices. To enlarge the phone storage, quite a lot of users choose to insert external SD card into the device. However, other problems come to them: which...

We often come across this situation: as the increase of apps downloaded and data stored in your Android phones, you nearly hit the devices' storage limit of 16G or more, and the phones warn you that you have only 1G or just 100MB or so left of the internal storage. However, you have a 8G external SD...

When being asked how to transfer data in between Android phones like Galaxy S6, LG G3, Nexus 9, HTC One M8, Xperia Z3 etc, the first and most common-used way comes to you is Bluetooth. Many Android users prefer to transfer phone content to others via Bluetooth wirelessly, for it's very convenient an...

Music has a great influence on people. No matter being happy or sad, people like to listen to music so as to get relaxed. For music fans, they prefer using Android smartphones as the music player and enjoy whatever tunes anywhere anytime. The first thing we should do is to download and install a use...

As Android phones or tablets now have bigger, wider and better screens as well as with high resolution, people tend to turn Android devices into portable theater to enjoy dramas, movies, music videos, etc. People can also search the visual files on the net, and watch the videos both online or offlin...

In How to Fix a Rooted Phone that won't Boot , we've share some tips on how to revive your dead phone after rooting failure. But there are still numerous reasons for a phone to shut down unexpectedly and refuse to turn on – no matter how many times you press the power button. Let's read on and see...

I'm sure many Android users had owned a phone that started lagging after several months of use. Apps take longer to open. Letters appear a second or two after you type them. Sometimes even the whole screen freezes and forces you to reboot your phone. In order to speed up your smartphone, here are fe...

Today, a friend of mine found some pictures are suddenly missing on her Samsung gallery application and even in other image viewer. The strangest thing is that she could see them in the default folder where she save the pictures. So they did not gone forever from her phone, but decided to not show u...

If you getting all sorts of problems while installing a newly downloaded app on your Android device, don't panic. The problems you are facing may not uncommon. Go ahead and read this, I'm sure you'll find the perfect solution to your installing problem. • It usually happens when you try to instal...

Do you have some issues with your Android phones? Is your device keep crashing or lagging? If "Yes", here's some basic troubleshooting for a crashing Android device. You can follow the methods to find out the reason that cause the trouble and then fix it. In part 1, it would talk about how to restor...

Here in this article you will quickly find out answers to commonly asked questions about Android smartphone. How to fix phones that won't turn on? For almost any issue where an Android device won't start, it is always feasible to pull the battery and reinstall it to see if the issue persists. In oth...

Christmas is just around the comer. For all the excitement in expecting gifts from our wish list, we still get frustrated when holidays like Christmas knocks on our door – group texting is just like an impossible job. Sure it's much convenient than writing a post card, but sending the same greeting ...

Do you recently fail to receive your text messages? What can you do? Here I'd like to show you a way to solve this problem. Note: a. This is only for GSM phones. If yours are not, adjust it. b. Try the Tutorial with Your Android (Not Compatible with All Android) 1. Input "*#*#4636#*#*"in your keypa...

Part 1. Definition: What is Screen Burn-in Part 2. Reason: Why Screen Burn-in Happens Part 3. Solution: How to Fix or Avoid Screen Burn-in Part 4. Fix: Recover Files from Broken Screen Part 1. Definition: What is Screen Burn-in Let’s imagine this: If you keep sh...

Some customers says that after installing Android SDK, the system keep on saying "Done loading packages" when they launch Android SDK Manager when downloading API but the package is empty. If this happens to you, you can read the tutorial below to solve it on your own. Step 1. Launch Android SDK Man...

Ever dropped your phone in the toilet? Did you run it through the washing machine, accidently dunked it with you in the swimming pool or get it beaten by rain? Getting your phone wet may mean that you have already lost it. However, if you know something about how to deal with it, chances are you can...

Music files would be accumulated gradually in your phone memory cards as you use your Android phone after you have purchased an HTC phone. But, why music files that stored in memory cards cannot be found by music player when the memory cards are inserted into the phone? There are many reasons why...

You will find a frustrating thing that the longer you use your time, the less internal storage space you have. You might get mad at the slow speed while using your Android. Why is it getting slower? The reason is, when we play with our Android phone like Samsung Galaxy S7/S8/Note 8, we will install ...

Smartphone users, especially Android users are complaining that it is very easy for them to run out of battery power. It is inconvenient if you are outdoor and can’t have your Android phone charged. What’s worse, if you’re a businessman who is going on a business trip or waiting for an important p...

Last week, I forgot the password of my Android and I cannot unlock my Android since then. I have tried many methods and can not solve this problem. I almost gave up and finally a coincidence reminds me of one of my friends, the one who knows Android a lot. I turned to him for help and he helps me un...

The more time we use our Android phone, the more apps we will install on our Android phone. It is very possible that your Android will run out of internal storage one day and the space is not enough for you to install other useful apps any more. Actually, there are useful ways for you to get more sp...

People like to set up pattern lock to keep the privacy data like pictures, messages, contacts in the phone from being checked by familiars or strangers. However, sometimes we ourselves may forget what the lock pattern is and can't remember it after a long time struggle. How to Unlock LG Phon...

There are a lot of system file stored in your Samsung Galaxy S7. If you install more third-party software on it, you will find that you the internal storage is not enough even if it is 16 GB. Today, I will show you the tutorial on how to optimize your Samsung Galaxy S/Alpha/Note. Samsung Galaxy Note...

1. Android phone fail to adjust SD Card partition Q: Some customers find that their mobile phone fail to identify SD card when attempting to adjust SD card partition or flashing your phone. No matter you use a new card or to flash your phone again can't solve the problem. How to solve? A: You can do...

Years ago, when I was young, I am extremely crazy about watching movies on my MP4 player. So, I once spent lots of time to study which format plays more perfect on MP4 player. As now more and more Android phones carries quad-core processor, they become one of the most perfect video players. If you ...

Some Android phone fans store music on the memory card of the phones after purchasing the phone. However, when they want to play music that stored in the memory card with the music player of Android operating system, they found that the music that they stored before has gone for no reason. There ar...

Android OS has become one of the most popular systems applied in smartphone, making Android devices getting more and more prevalent among the public. Like Windows Mobile and Symbian OS, Android system also has several modes, including normal mode, safe mode, recovery mode, bootloader mode, fastboot ...

I’m sure many Android users appreciate the experience of watching videos and movies on their devices anytime and anywhere. Today, we will introduce you two most popular and useful videos players for Android smartphone: MoboPlayer and RockPlayer. So, read on and you may choose one of them to help you...