It is game application to master a musical scale and score.

If a note just comes to the position varying in a color on the score, please push the button.
The cat will cry mew when you push the button.
Based on middle C, When you choose the note an octave higher, please choose a button while reversing +1 button.
Similarly, It is necessary to change ♯、♭and -1 button instantly.
you will need instantaneous force.

In addition, you can listen to music to play on a game.
The cat will sing.

More four pieces than a free version !