Features: Tap and Glow: Harmony app is very easy to play: take the line as a reference to tap the squares and mirror the music notes. The squares will glow when you tap on them! Anxiety antidote: The relaxed melodies created on Harmony are perfect to kill anxiety or OCD problems. In fact, Infinity Games are known for slowing a player's heart rate after 10 levels played. Free of timers and other stress features, this game feels like a yoga session in paradise! Different instruments: There are se