As the official team removed the old PS3 port in favor of the Open Source psl1ght SDK. For sometime there has been an unofficial port of RetroArch PS4 by develope r, who (unrelated to ps4) also shared recently his progress on the psl1ght port for the PS3 here forums, to help bring the PS3 back into the mainline RetroArch repo. If you follow the psx-place twitter feed, you may of seen a retweet from libretro's officialaccount yesterday, announcing the RetroArch PS4 code being merged and adopted into the mainline RetroArch code repo, this mean soon we could see the official release of RetroArch PS4, as the official team has accepted the Orbisdev Port submission from scene developer's.