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.