PlayStation 4 is rumoured to be receiving PSone and PS2 classic support soon, together with 1080p rendering for select titles, according to a reliable industry insider.
It comes from tipster Ahsan Rasheed, who has an flawless track record for revealing accurate leaks. Even with that said, still treat this as just a rumor for now.
Be excited: 1. Local PS2 / PS1 support on PS4 w/ native 1080p rendering for select titles. 2. Bluray+Media Player updates
— Ahsan Rasheed (@thuway) March 25, 2014