HTC Dream Quick Start Manual page 13

To go to the left and right side of the extended
Home screen
The Home screen extends beyond the screen width to provide
more space for adding icons, widgets, and more. Slide your
finger horizontally across the screen to go to the left or right
side of the extended Home screen.
Tip
While on an extended Home screen, press HOME to return to the
center Home screen.
To learn how to customize the Home screen, refer to the
"Getting Started" chapter in the User Manual PDF.
Quick Start Guide 13