Square Enix announced through Tetsuya Nomura at the Sony E3 press conference that it is working on Kingdom Hearts III for the PS4. The trailer gave a short history of all Kingdom Hearts games to date, as well as displaying some gameplay.
Kingdom Hearts is an action RPG video game series produced by Square Enix and Disney in something of a video game crossover between the various Disney movies and the Final Fantasy franchise as a whole. Aside from its unusual origin, Kingdom Hearts is known for its complex story and gameplay.
While announced for the PS4, console exclusivity was not mentioned.