This is [ Dot Clock ] application.
You will see many moving dots displaying the current time, controlled by the physical engine.
When the time changes, the dots start moving to display the new time.
When the a dot collides with another dot, it bounces off each other.
You can also get dots to move by shaking iPhone/iPod.
You can display the app both vertically and horizontally.
The application also works while charging your iPhone/iPod.
Enjoy the nice graphics of dots moving around as time passes by.