Here is a selection of the best smartphone games Rhythm games and music available on Play Store (Android) and App Store (iOS)

Platform :
Dancing Road: Color Ball Run! on Android Google Play StoreDancing Road: Color Ball Run! on iOS Apple iPhone iPad
Dancing Road: Color Ball Run!
Dancing Road: Color Ball Run!
Dancing Road is a free music and skill game.
My Singing Monsters on Android Google Play StoreMy Singing Monsters on iOS Apple iPhone iPad
My Singing Monsters
My Singing Monsters
Collect eccentric monsters and create a musical world!
Drum Pad Machine on Android Google Play StoreDrum Pad Machine on iOS Apple iPhone iPad
Drum Pad Machine
Drum Pad Machine
Create your own music like a pro.
Just Dance Now on Android Google Play StoreJust Dance Now on iOS Apple iPhone iPad
Just Dance Now
Just Dance Now
Just Dance Now is a multiplayer dance game application.
Piano Tiles 2  on iOS Apple iPhone iPad
Piano Tiles 2
Piano Tiles 2
Piano Tiles 2 is the sequel to the famous arcade game Piano Tiles (Don't Tap the White Tile).
Pianista on Android Google Play StorePianista on iOS Apple iPhone iPad
Pianista
Pianista
Use the piano with the right rhythm!
Wednesday Addams Piano
Wednesday Addams Piano
Free piano game with Wednesday Addams
 Tap the Frog: Doodle
Tap the Frog: Doodle
Tap the Frog: 88 fun mini reflex games!

Find other apps that might interest you on the subject Game of skill and sport