Here are some quick background overlays I assembled for Tatsuya79’s amazingly accurate preset screen shader for Gameboy games on Retroarch.
gameboy.jpg
vlcsnap-2020-07-28-14h39m53s503.jpg
vlcsnap-2020-07-28-14h40m25s921.jpg
vlcsnap-2020-07-28-14h41m08s767.jpg
vlcsnap-2020-07-28-14h40m34s397.jpg