Well, it could for single player gaming. Sony's patent says, "the user is able to enter the rewind mode from the live game ...

Sony’s working on it, or at least it got a lawyer to patent the idea of a dedicated rewind button on a game controller.

A game controller that works with a large variety of devices rather than just one console. Old smartphones and tablets can be turned into gaming machines with a universal game controller.

A recent “rewind” patent could lead to a major new gameplay feature for PlayStation consoles if Sony follows through on the ...

Sony's latest patent describes a controller with a universal rewind button, allowing players to rewind any game they're playing.