Final Fantasy Crystal Chronicles is one of the many Games to utilize the GBA link up feature. When the GBA is connected to the Nintendo Gamecube Console the screen on the GBA will show a map and character information. Also the GBA can equip "Demon Stones" (thanks to ColdMephisto for the translation), these stones give magical powers. Also In the latest issue of Jump, a Japanese gaming mag, has introduced Moogles as postmen, the Moogles can be used to send messages between players using their GBA screen.