In a recent interview with us, GameStop CEO Paul Rainer confirmed that GameStop Mobile -- an entity that appeared to be on the brink of selling prepaid GSM SIM cards to GameStop patrons -- is nothing more than "a mockup." If you'll recall, an entire website launched back in May showcasing what appeared to be GameStop's portal for hawking SIM cards that relied on AT&T's network to provide service. At the time, the collective hel
