All Format Video Player supports all video formats, 4K/ultra HD video files, And it plays in high quality. It is one of the best Android operating system tools for tablets and phones. The most important features: ● Support all video formats, including MKV, MP4, M4V, AVI, MOV, 3GP, FLV, WMV, RMVB, TS, m3u etc. ● The video player is in Ultra HD format and supports 4K ● Cast videos to TV using Chromecast. ● Supports download subtitles and more. ● Adjust subtitles and audio. ● Quick mute, playback speed. ● Play the video in the background as an audio player. ● Manage or share videos easily. ● Easy to control volume, brightness and playing progress. ● Multiple playback option: auto-rotation, screen-lock etc. ● HD video player for all Android phones and tablets.