Square Enix released today (March 23) in Japan the smartphone version of the KINGDOM HEARTS Union χ[Cross] on iOS and Android. The game is the official port RPG game of the browser based KINGDOM HEARTS Union χ but with new multi quests and additional chapters.
Pre-registered users already can claim their pre-registration gifts and you can move the gameplay data file from the original version to your smartphone version. Square Enix also started the first login bonus campaign where you can get extra jewels and medal to unlock more rare items. Enjoy the game.