And to be clear, it has nothing exceptional, I mean, Number of app who apply this kind of game, a piano.
Yes maybe he has a lot of different features, and smooth, no add and good graphics but.. That's all, this has Nothing to be a great game, it is like other game who do the same concept..
I don't understand why is it so popular..
I don't say I dislike it, but, well.. A little...
It's my opinion!