Lo ha rivelato Akihiro Hino, presidente di Level-5, durante un live stream di White Knight Chronicles.

Quote

Level-5 the studio behind Ni no Kuni and more famously known for Yo-kai Watch in Japan has been working on a PlayStation 4 title. During a White Knight Chronicles livestream, Level-5 president Akihiro Hino said they have been working on a PlayStation 4 title which they plan to unveil during E3 next year.

Fonte:
http://www.siliconera.com/2014/11/28/white-knight-chronicles-developer-plans-to-reveal-a-ps4-game-at-e3-2015/

Via:
https://www.reddit.com/r/gamernews/comments/2norai/white_knight_chronicles_developer_to_reveal_a_ps4/