YatOng Player is a video player supporting automatic coding.
It allows you to adjust screen settings such as brightness, contrast, color grayscale, etc and add various sound effects.
It also supports subtitle feature.
A subtitle file can be selected after you open your desired video file.
It also supports tv-out.
For you information, screen you see in the provided video is just a deja-vu.
This app is under LPGL license. The source code can be found on the designated homepage.