This app was mentioned in 3 comments, with an average of 2.33 upvotes
"SRPG Pocket Lord" - A casual fire emblem, with NES style graphics. Bad translation, but the gameplay is fun. You also have larger maps, and can bring a total of 6 units, which includes 1 friend unit, to each battle. They're generous with premium currency, since you get gem a day, by watching a single 30 second ad daily. And it's only 3 gems to pull a unit.
https://play.google.com/store/apps/details?id=com.shoutry.srpg&hl=en
This is pretty fun. A casual Fire Emblem like SRPG, with NES graphics:
https://play.google.com/store/apps/details?id=com.shoutry.srpg&hl=en
A casual version of fire emblem, SRPG Pocket Lord https://play.google.com/store/apps/details?id=com.shoutry.srpg