Dragalia Lost

Dragalia Lost is an action RPG game for iOS and Android devices. The game was developed by Cygames in collaboration with Nintendo and released on September 27, 2018 in Japan, America, Taiwan, Macau, and Hong Kong. The game was later released in Canada, the United Kingdom, Ireland, Australia, New Zealand, Singapore on February 26, 2017.

Relation to Fire Emblem
On March 25, 2019 Nintendo announced in their Dragalia Digest broadcast, that a collaboration with Fire Emblem Heroes would be occurring in April. On April 11, Nintendo announced the title of the collaboration, Fire Emblem Lost Heroes would run from April 26 to May 14.