I just saw this video and I was thinking, wouldn't it be possible to adapt the Gameboy player to the Wii? Not that mGBA is excellent (which I actually consider the best GB, GBC and GBA emulator for Wii and that it even supports accessories in addition to the games running exactly like on GBA and I wish the team would make DS for Wii) but because of the fact that it is real GBA hardware and the Wii is backwards compatible with NGC