Nintendo just announced that it's working with Cygames on an all-new RPG for mobile devices. The game is called Dragalia Lost.
It will be released this winter, first in Asia then in North America and Europe.
It's described as an "all-new original action RPG application", which Cygames desgined and which Nintendo "has been co-developing and will jointly operate".
Cygames is best known for games such as Granblue Fantasy and the digital card game Shadowverse.