Imperium cydia tweak is a completely new and better AppSwitcher for your iPhone/iPod! based on Mac OS X Lion MissionControl and Launchpad.
With Imperium you can quickly kill background apps, take a photo, get song lyrics, search google, email, tweet, toggle wifi / airplane mode / flashlight / location services / bluetooth etc, list of all the apps, quick access to your favorite apps, Respring, reboot, power off, safemode , increase brightness and much more all under one menu which can be accessed using activator anywhere iOS wide!
it completely takes your multitasking experience on iOS to a whole new level!
No new icons are added to the homescreen. Configure options from Settings app.