ARP-BOX (universal) arrives

This looks like quite an intriguing sort of application.

Would you like play to unique sound box?

ARP-BOX is simply arpeggiator sound box with bounding balls.

You can put bounding balls in a colorful box by tap. Bounding balls emit a sound then contacting walls.

ARP-BOX is playing polyrhythmic melody sounds by balls bounding.

If you want to remove bounding balls, you can open a box and wait for out-of-bounds balls.

and...

• box rotation by drag and swipe
• doppler effect by box rotation speed
• changing audio pitch and velocity
• changing balls direction by device shaking
• changing musical scale ( major penta tonic scale or minor penta tonic scale )

It's priced at $0.99