Can You Play PS3 Games On PS4? - PlayStation Universe
Can You Play PS3 Games on a PS4?
Buy These PS3 Games Instead of a PS4
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Amazon.com: Kailisen Playstation 3 Controller Charger PS3 / PS3 Move / PS4 Docking Charging Station with USB Cable, [Dual Slot] Charging Dock Station Removable Charger Stand : Video Games
Sony: PS3 and PS4 cross-play is 'technically possible' (update) - Polygon