When a Gameboy Advance, the original horizontal model or a GBA SP (not the Gameboy Micro), is linked to a Gamecube Gameboy Player, it can be used as a controller to recreate a more authentic gameplay experience.
GC-to-GBA Link – Gameboy Player
When a Gameboy Advance, the original horizontal model or a GBA SP (not the Gameboy Micro), is linked to a Gamecube Gameboy Player, it can be used as a controller to recreate a more authentic gameplay experience.