Square Enix is working on a browser based Kingdom Hearts game. The news comes from Kingdom Hearts HD 1.5 Remix which includes bonus items for Kingdom Hearts X[chi].
via N4G: pc news feed http://n4g.com/news/1177602/kingdom-hearts-x-chi-is-coming-to-pc-made-by-operation-darkness-developer
via N4G: pc news feed http://n4g.com/news/1177602/kingdom-hearts-x-chi-is-coming-to-pc-made-by-operation-darkness-developer