It could be “game on” for PlayStation users, after Sony agreed to pay $7.85 million as part of a preliminary settlement in a class-action lawsuit over purchases made on the PlayStation Store. Sony was sued three years ago by users who claimed the company unfairly controlled the market for certain digital PlayStation games and used that control to keep prices higher than they should be. The lawsuit argues that Sony’s practices violated federal antitrust laws and some state competition laws by limiting how and where those games could be sold. Sony has not admitted wrongdoing, and no court has ruled on the underlying claims, though a federal court in California has given preliminary approval to the settlement. If finalized, eligible users could receive refunds for qualifying purchases.…