(MPEG-4 Part 14), a standard digital multimedia container used for video and audio. Subtitles: The "MM Sub" tag indicates Myanmar (Burmese) subtitles have been hardcoded or included in the file.
No article on a filename like this can ignore the elephant in the room: The file likely represents an unauthorized copy of Priest (2011), owned by Sony Pictures Entertainment (via Screen Gems). Priest -2011- -MM Sub-.mp4
Enjoy the film responsibly—and don’t forget to toggle those subtitles on. (MPEG-4 Part 14), a standard digital multimedia container