LOST ORDER is an upcoming smartphone game from Cygames (Granblue Fantasy, Shadowverse). The game will be available first in Japan on iOS and Android but the release date is unknown.

But Cygames today started the recruitment for the closed beta testers for the game. You can sign-up to be a tester until July 19, 2017 15:00 (local Japan time). The CBT players limited number is unknown, you can sign-up from here: https://lostorder.jp/