Instructions for the initial setup and use of firmware for TV boxes based on Amlogisk S905X3 and Amlogisk S922 processors, UGOOS 0.4 firmware port made by xVortex and modified by JAW

Changes regarding the xVortex port:

- The AOSP and ATV versions are maximally synchronized with each other and have the same "screen resolution", which makes it easier to switch between versions.
- Recovery replaced with TWRP
- Added support for AptX and AptXHiRes (check, it seems, they say that it works)
- The Square Home launcher is integrated into the firmware, a quick presetting mechanism is provided (load the configuration from the built-in memory).
- Key Mapper is implemented in the firmware, a mechanism for the simultaneous use of Square Home and ATV launcher is provided (load the Key Mapper configuration from the built-in memory)
 After configuring the Key Mapper, a single press on the Home button launches Square Home, a long press on Home launches the ATV launcher. F7 launches settings.
- Modified SystemUI, added an exit…