The game inspired the Kingdom Hearts Unchained χ smartphone game, which Square Enix released in Japan in September 2015 and then released in North America in April 2016.
Square Enix announced on Friday that it plans to relaunch its Kingdom Hearts Unchained χ smartphone game under the title Kingdom Hearts Union χ [Cross] in April.
Square Enix originally released the Kingdom Hearts χ (“chi”, pronounced “key”) PC browser game in 2013, and the game ended service in September.
Square Enix also began streaming a Japanese trailer for the game on Friday.