It is an app to draw various graphics in the trajectory of the ball and play sounds based on its forms by moving the ball on the screen with your finger and tilting the device. When you tap on the screen, the trajectory form and the sounds of the ball will be changed and superimposed, which create abstract graphic arts and music coupled with them. The generated one-time graphics can be saved in the photo album. Please try this intuitive enjoyment only on your smartphone or table.