Apple iPod touch iOS 5.1 - Manual (Page 18)

Basics
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Using apps
The high-resolution Multi-Touch screen and simple finger gestures make it easy to use
iPod touch apps.
Opening and switching apps
Open an app: Tap it. Press the Home button to see apps on the Home screen.
Return to the Home screen: Press the Home button .
See another Home screen: Flick left or right, or tap to the left or right of the row of dots.
Flick left or right to switch
to another Home screen.
Go to the first Home screen: Press the Home button again.
View recently used apps (iPod touch 3rd generation or later): Double-click the Home button
to see the multitasking bar. Flick the bar left or right to see more apps.
Recently used apps
Switch to a recent app: Tap it in the multitasking bar.
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