Game Shark is a program used to cheat on console games and Pro Action Replay is simply its number 1 competitor
Umm, gamestop or EBgames or something? Any video game store will work
i think you can get it at gamestop but WARNING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! IF YOU GET ACCTION REPLAY ALL THE GAMES SAVED ON YOUR DS WILL BE WRECKED AND MAYBE YOUR WHOLE DS...
an action replay has cheats for ds a game shark has cheats gameboy
No