Video player apps are software applications designed to play various types of video files on mobile devices such as smartphones and tablets. These apps allow users to watch videos in different formats, resolutions, and qualities.

Most video player apps have built-in codecs that support a wide range of video formats such as MP4, AVI, MKV, and MOV. They also offer various features such as subtitle support, playback speed control, volume boost, equalizer, and gesture controls. Some video player apps also offer advanced features like hardware acceleration, streaming support, and network playback.

Video player apps are widely used by people who want to watch movies, TV shows, and other videos on their mobile devices while on the go. They are also used by content creators to preview their video files before uploading them online.

Overall, video player apps offer a convenient and easy-to-use way to watch videos on mobile devices, and there are many different options available on the Google Play Store to suit different needs and preferences.