V-Jump this month has new details on Kingdom Hearts HD 1.5 Remix for PlayStation 3, which remasters Kingdom Hearts, Kingdom Hearts Re: Chain of Memories, and the scenes from Kingdom Hearts: 358/2 Days in high-definition.
Main characters Sora, Riku, and Kairi have been redrawn. The greater quality of high-definition means character faces will also be richer in expression. After you clear the game, there will be some sort of reward. New features are also being added, but the magazine does not provide details.
Kingdom Hearts HD 1.5 Remix is due for PlayStation 3 in 2013.