1. Optimize the system And fix errors (add some regional languages, fix known bugs in KeyMap APP, and some other system issues)
2. Support RetroArch update to version 1.20.0 (At game mode, open the toolbar (short press SE) ->Tools ->Reinstall RetroArch)
RG556-V1.12
https://we.tl/t-XI5vwOwqfK
