A free program for Android, by BTS Tiles Piano Fan Studio.

This game lets you play Kpop music right on your mobile device. You can use your fingers to play the piano and follow the melody, or you can use the provided lyrics to sing the songs. With over 10 million downloads, this game is one of the best choices for people who love Kpop music. 

The songs in this game are arranged in a way that makes it easy for you to follow the melody. So if you don’t have any previous knowledge of Kpop music, you can still enjoy this game. You can play the piano with just one tap or use the keyboard to compose the music.