This app has a game that you can play to learn keys, and it also has 8 keys that can be played. This is a great tool to learn the basics of how to play the piano. This app requires basic operation of a screen and eye and hand coordination.
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
