Square Enix has released the debut trailer for Final Fantasy Grandmasters, its upcoming, free-to-play (with micro-transactions) online RPG for iOS and Android.

The game will let players adventure with other players, interacting via the chat and emotion features, take on difficult quests together, and battle in real-time co-op battles. Playable classes include the Elvaan, Galka, Hume, Mithra, and Tarutaru.

Pre-registration is available at the Final Fantasy Grandmasters official website. The game is due out for release via the App Store and Google Play in Japan in 2015.