I actually like the idea of a gacha song system, it let's you find new songs and get excited about unlocking your favourites. And the gameplay is simple enough for a phone game, but surprisingly difficult. There's a few little problems I have, like the note hit counter goes "great" "perfect" and "perfect+" instead of the more logical good > great > perfect. And since perfect and perfect+ are the same colour, it's super hard to tell which one you can't take your eyes away from the notes to check.

The problem with this is that it's basically EVERYTHING wrong with free phone games. Full of ads, exclusive paid content, pointless wait times for things like opening rewards etc.