The app consists of two sections. In mode "Play Game" you can test and improve your skill in determining the musical pitch. Press the play button and a tone will sound. Then press and hold down the corresponding note on the violin fingerboard. Compare the two sounds! When the note is released a message displays the result. The game has 12 levels. You have to complete a level to get to the next level. In mode "Practice" you can learn were the notes are placed on the violin fingerboard. Get to