Google Android 3.0 User Manual page 39

Working with apps
Switch to a recently
used app
Switch to the previous
app you were using
AUG-3.0-100
1 Touch the Recent Apps button
A list of the names and thumbnails of apps you've used recently opens.
Touch a name or thumbnail to open that app.
2
You can also touch the Back button
list to return to your current app.
Touch the Back button
S
in the System bar.
or touch away from the Recent Apps
Touch an icon to open an app you've
used recently.
in the System bar.
39
Android User's Guide