You have read my mind xD
Yes I’m working on it as well, it will be uploaded soon,
I already fixed the GB, GBC, and GBA without grid its done but the grid version needs to be tweaked, I will let you know when it’s done.
I advice you download all files since I updated the PNG and xx_video_mode.cfg
Overlays/Pillarboxs and other goodies for Retropie: