Ok it's total cheese, but a very flavorful cheese.
Buck and the Coin of Destiny is an iPhone game that plays off the premise of those commercials. You play as Buck and help him in his quest to capture the coin of destiny. It's a side scrolling platformer where you collect coins and jump over pits hazards, and other baddies. During play there are extra hearts you can pick up as well as an occasional invincibility suit. At the end of each level you get a little cartoony cut scene reminiscent of the very commercials the game is based on.
No, this isn't a deep game with a compelling story, and no the game mechanics and plot aren't original in any sense. If you love those GameStop commercials like I do though, I think you'll really get a kick out of this game. It's only .99 cents on the app store so you really can't go wrong with this one. Enojoy.