Requires iOS 5 or higher
Requires SwitcherLoader, will be installed
Does not support iPad yet
With Appswitch, you can launch 4 custom apps you choose directly from switcher! Simply swipe to the page of Appswitch, and there will be 4 icons you can launch.
Apply plugin from Settings.app > SwitcherLoader.
Customize apps from Settings.app > Appswitch.
See larger Screenshots below