A full version app for Android, by Moon Place Game.

The ImpIdle JRPG is a free, action-packed role-playing game for iPhone and iPad. This game lets you play as a cute imp in Japan. You can combine a squad of your favorite imp and fight against other imp in a battle arena. It’s up to you how you play. You can fight against monsters and other players, explore Japan’s countryside and boss fights. It’s your role to stop the demon king from being a disaster in the world!

You can form your own squad, using a combination of more than 60 characters from different mythological and historical worlds. You can also combine your squad with other players. You can fight against other players or monsters.