Hey Kingdom Hearts fans! Remember Square Enix announcing a brand new mobile game focusing on the game’s antagonist Xehanort? We finally got some new information on this new gaming experience. It is confirmed by Square Enix that the new game Kingdom Hearts Dark Road will be joining the Union χ app game. In other words, in order to play this game, you will need to download Kingdom Hearts Union χ to access Dark Road However, according to Square Enix announced that Dark Road will be a stand alone game meaning, you don’t necessary need to play KHUX to play Dark Road. Based on the details, this game will rely on card battles and your reflexes. There is no release date for this game.
Once again, Kingdom Hearts Dark Road will be an app game for Androids and iOS users and it will focus on Xehanort and how he wanted to follow the darkness.
source:
Matt-in-the-Hat 
I’m not super thrilled about the cards, but I’m still gonna give this a download. The graphics look pretty clear and I’m just ready for more Kingdom Hearts
Yeah I am curious about Xehanort’s story. The card system reminds me of Chains of Memories.