Android APK of a Chinese video streaming app for TV devices, with a name that translates roughly as viewing TV, version 1.1.0. The 7.37 MB package is intended for Android TV boxes and smart televisions, installed by sideloading. It contains no repair documentation or firmware. Technicians servicing TV boxes occasionally reinstall such apps after a firmware reflash. Check that the device runs a compatible Android version, and treat packages from unofficial sources with caution as they may be modified or no longer supported.
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.