
While this feature wasn't officially released with iOS 4.3, it can be enabled using a tweak which is available through Cydia on a jailbroken iOS device.
- Open Cydia
- Click on Search
- Search for 'MT Gestures' available in 'MobMyi' repository.
- Click Install
- Once Installed, Respring or Reboot as instructed.
- The tweak will be available inside Winterboard, which in automatically install with MT Gestures.
Instructions
Pinch four/five fingers - Return to home screen
Four/five finger scroll up/down - Show/Hide multi-task tray
Four/five finger scroll left/right - Switch between apps