Skullgirls will have cross-platform play between PS3/PS4 : r/Skullgirls
How to Use PS3 Controller on PS4 *EASY METHOD* - YouTube
Can you play PS4 games on a PS3 console? - Quora
Portal 2 on PS3 was the only Valve game on console to be cross play and cross progressions with PC via logging into steam on your PS3 and you'd get steam achievements +
Rogue Legacy reborn with cross-platform features on PS3, PS4 and Vita July 29 - Polygon
PS3 & PS4 Cross-Play Games - Giant Bomb
Sony: PS3 and PS4 cross-play is 'technically possible' (update) - Polygon
Best Crossplay Games to Play in 2022 | Attack of the Fanboy
PS Vita and PS3 Cross Platform Features Explained | XTREME PSVita
Best crossplay games: play with friends across platforms | TechRadar
Remote Play with PlayStation3 1.1 Download (Free) - VRP.exe
Cell Damage Launches as a Cross-Buy Title for PS4, PS3, and PS Vita – The Gamer With Kids
Will Minecraft Ps3/PS4 Have Crossplay? (Ps3/Xbox360/PS4/XboxOne/WiiU) - YouTube
PS3 & Vita Cross-Play Games - Giant Bomb
Helldivers coming to PS4, PS3 and Vita with Cross-Play | Engadget
Can You Play PS3 Games on a PS4?
Remote Play on the PS Vita (Control Your PS3)
Dragons Crown Update Lets PS3, Vita, & PS4 Play Together
Does GTA Online have crossplay? PC, Xbox, & PS5 cross-platform info - Charlie INTEL