The service is powered by Gaikai, which was acquired by Sony for $380 million in mid-2012.
PlayStation Now and similar services could affect GameStop's business if it reduces the number of customers shopping for games from previous generations. Of course, PlayStation Now and other streaming services still face limitations in the form of high-speed Internet availability for seamless gameplay.
Just under three years ago, GameStop acquired Spawn Labs' streaming service, which is being worked on by the retailers' R&D department.