A free program for Android, by Weepoka.

HD Video Player – All Formats is an application that allows you to play HD quality videos on your Android from your phone or SD card. You can also play in Full HD and 4K quality if your device supports it. In addition, many options are provided to improve the user experience. You can change the video playback speed, use night mode, adjust audio volume, and select subtitle language. There is also an option to set subtitles and audio files separately. This app is very easy to use. Just install the application and start playing videos. Comes with nightmode for easy watching.