Kingdom Hearts 1.5 HD Remix includes two games: Kingdom Hearts Final Mix and Re:Chain of Memories. While 358/2 Days won’t be playable, Square Enix has completely remastered the game’s cut-scenes. 1.5 HD Remix will feature nearly 3 hours of movie footage.
Square Enix updated the Japanese Kingdom Hearts 1.5 HD Remix site with a couple of comparison screenshots. Below you’ll be able to see the massive improvements made to 358/2 Days’ cut-scenes: