A modder creates a custom GBA cartridge to turn the handheld into a Switch controller. The custom cartridge allows the GBA to act as a wireless controller for PCs, tablets, and smartphones as well.

Nintendo fans continue to impress with creative hardware mods, like fitting a Game Boy Advance inside an N64 controller. MaSaKee's mod showcases a fully functioning Game Boy Advance within the N64 ...

A gamer shares a modding project that makes a Nintendo 64 controller work as a Game Boy Advance, including a built-in screen.

Best of all, the Nintendo 64 controller’s buttons have also been modded to work with the Micro, meaning the D-Pad (or analogue stick), B, A and Start buttons work just like they do on the Micro.