There was already a video-out mod kit on the market for the GBA SP that would let them play games on the TV, but the team still had to figure out how to make a dock for the 18 year old handheld ...

This AVR ATMega325 microcontroller-based project is capable of extracting ROM and RAM from Gameboy Advance (GBA ... file on the SD card, allowing transfer of save data from one cartridge to another.