[Features]
This is a rattle App.
Cute smiles fly round and round on the screen .

[How to use]
You can move the smiles to shake your device or to drag the smiles.
It makes sound like "Boing" when smiles crush each other or the walls.
You can use this app in public places such as on the bus or on the train if you switch off the sound by settings.

[Specifications]
The color of smiles changes while you touch them.
The faces are getting smile face when they crush with others or the walls, and they get back to normal face over time.

[Note]
*Size of smiles differs depending on the device screen size.
*Please DO NOT break your device by shaking it too much.