I expect this to go quite a bit like Miitomo. Quick uptake, followed by most of the userbase getting bored and forgetting about it.

This game is pretty superficial. There isn't much to do. It unfortunately perpetuates the notion that mobile games cannot have depth or good, lasting gameplay.

Last phone game I really enjoyed was Tiny Wings. That was a while ago. Since then, anything I play on my phone has been in an emulator with a GameKlip and a DualShock 3.