Announced in the earlier days of the Tokyo Game Show was Kingdom Hearts HD 1.5 Remix, and upcoming Playstation 3 port of Kingdom Hearts 1 and Kingdom Hearts RE: Chain of Memories, both initially released for the Playstation 2. The games trailer was initially released on the games (very basic at the moment) official website which you can view HERE.
Kingdom Hearts HD 1.5 Remix is set to be released in Japan at an unspecified time in 2013. No international release has been formally announced as of yet, but there is more likely than going to be one than not.
