I dunno if it's cool to bump after over a year and a half, but I guess this came out internationally this week. Slightly less blatant of a FE ripoff than I expected; instead of being entirely shameless in the vein of Sword Requiem or Partia it feels more like an adaptation of Fire Emblem's battle system (or a simplified imitation, at least, but including the weapon triangle and friendship-based stat boosts) to a microtransaction-heavy mobile environment.
Pay hard-to-obtain in-game currency to get a random pull of new units, or better versions of what you have, etc.; play a couple maps and wait for your energy to refill, or pay to refill it. Basically standard mobile fare.
Judging by my first set of pulls this game is even more waifubait than the 3DS Fire Emblem games; I think I got one male character out of the first set of ten and the three starting characters.
Might just be because I've only played a couple battles, but there seems to be no real strategic depth - even your weak units are completely capable of one-shotting bosses, the first few maps have no more than 3-4 enemies, etc.
A party is also limited to five units plus a friend unit, which sort of justifies the small matchups at the beginning, but it's pretty boring.
Hopefully Nintendo doesn't use this as the model for whatever mobile Fire Emblem they have planned.