It’s become a pattern: Game is released on the Xbox 360. Time passes and said game is then released on the PS3 with extra content and extra characters. Star Ocean 4 is no exception.
Star Ocean The Last Hope, it has been previously announced, is truly international. Along with both English and Japanese, the game will also feature German, French, and Spanish.
https://kotaku.com/star-ocean-the-last-hope-ps3-really-is-international-5360991
Along with the previously discussed battle system tweaks and menu changes, the official announcement says the game now features “amazing graphics through Blu-ray Disc”.
The game also sports “overhauled menus” and “additional characters”.
Star Ocean: The Last Hope International Has Extra Characters [Siliconera]