Android application package for Dangbei Player, a TV media player app, version 1.3.9, sized 74.8 MB. The name, partly in Chinese, identifies it as the TV build of the player, intended for Android TV boxes and smart televisions rather than phones. It is installed by sideloading the APK through a file manager or ADB after enabling installation from unknown sources. In a repair setting it can serve to test video playback after reflashing a TV box. Check compatibility with the device's Android version and architecture first.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @tv_software. Enginerys does not host this file.