Pre-registration for the upcoming iOS & Android game, Kingdom Hearts Unchained χ is now open for Japan. Those who pre-register will be treated to some special smartphone wallpapers featuring artwork of the game. Kingdom Hearts Unchained χ will launch during September 2015 for Japan. Along with the announcement of opening pre-registrations, an official Twitter account was created for Kingdom Hearts Unchained χ via @KHUX_PR.

You can view all the smartphone wallpapers below.

Additionally, some new images concerning the game were also released, you can view them below.