DeNA announced the release date of the DUEL X MACHINA which is an upcoming smartphone card battle game in Japan. The game will be available from March 30, 2017 in Japan on iOS and Android as a basic free to play game.
The pre-registration is still going where you can get a new player character and extra cards. With the release date announcement the new promotion video which is introducing the basic gameplay also released. You can watch it above and you can pre-register from the official website of the game.