I Made some GBA overlays for Retroarch. Links and Instructions in comments. : r/3dshacks
Animated Gameboy Advance Twitch Overlay Starter Pack in Arctic and Indigo Overlay Webcam Borders Panels Retro Nostalgia - Etsy
I am making Retroarch Overlays sized to fit 3DS starting with Game Gear. Also some Retroarch Menu Themes. Instructions and templates included. | Page 3 | GBAtemp.net - The Independent Video Game Community
GBA Touch Overlay in RetroArch! - YouTube
Animated GBA bezel experiment - Emulation - LaunchBox Community Forums
Custom overlay like controller but for keyboard · Issue #110 · univrsal/input-overlay · GitHub
A little tweak to u/DylanTrahan's Game Boy Stream overlay to work with GBA. : r/Gameboy
GBA Overlay + PSD - petrockblock
submission] GBA Functional overlays for phone screens · Issue #35 · libretro/common-overlays · GitHub
Retroarch - Gameboy Advance Overlays - YouTube
New Overlays for Atari Lynx, Game Boy, Game Boy Advance, Game Boy Color and Game Gear - 16:9 1080p overlays - RetroPie Forum
Handheld Overlays [PSD+PNG+CFG] - RetroPie Forum
Animated Gameboy Advance Twitch Overlay Starter Pack in Arctic and Indigo Overlay Webcam Borders Panels Retro Nostalgia - Etsy
GameBoy Advance Overlay for RetroArch : r/EmulationOnAndroid