Kingdom Hearts Unchained χ

Kingdom Hearts Unchained Key is a Kingdom Hearts game exclusive to the iOS and Android smartphone platforms. It is scheduled to release in 2015, and has plot and gameplay elements from the Japanese-exclusive web browser game Kingdom Hearts χ. Like Kingdom Hearts χ, the game is free to play, but contains in-app purchases. It will be the first Kingdom Hearts game to be released to smartphone platforms. It was first announced on May 12, 2015.