Music Player - Video Player HD is a free multimedia application for Android devices that plays ALL video formats, including MKV, MP4, M4V, AVI, MOV, 3GP, FLV, WMV, RMVB, TS, and more. It supports HD, full HD, 1080p, and 4K videos with high-definition sound effects and subtitles. The app also protects your private videos from being viewed or deleted by others with a PIN code.

One of the key features of Music Player - Video Player HD is its hardware acceleration, which ensures smooth playback of videos. You can also download subtitles from within the app and play videos in a pop-up window, split screen, or background. The app supports Chromecast, enabling you to cast videos to your TV. Plus, with the built-in equalizer, you can customize sound effects to your liking.