Square Enix announced the release date of the Flame x Blaze smartphone game in Japan. The new 3 on 3 SP game will be available from April 12, 2017 on iOS and Android. It should be noted that you can pre-register until April 11, 2017 23:00 on the official website of the game.
Square Enix by the way going to held a live show on the release day at 19:00 (local Japan time) where you can see a live, game introduce program. You can find the details of the program in here: http://sep.jp.square-enix.com/info/20170412000390.html