Despite loving Fire Emblem, this is strangely more appealing to me than Fire Emblem Heroes. Maybe since I've only enjoyed Animal Crossing on a superficial level, and not gotten super deep into the core entries like I have with Fire Emblem, the concessions they've had to make for this to be a mobile game don't bother me as much. Although it does also seem like this is closer to core Animal Crossing, in general, than Fire Emblem Heroes was to the console Fire Emblem games.
Also, it doesn't seem like Nintendo is being as heavy-handed with how they monetize this game as a lot of people were expecting from an Animal Crossing mobile game. I'm sure a certain amount of that is because they intentionally chose to shy away from highlighting those elements too much in the reveal, but it sounds like this will be a pretty good experience even if you don't want to spend any money on it (much like Fire Emblem Heroes, at least from what I hear). I'm looking forward to playing this next month.