Springshot is a jailbreak tweak developed by Adam Bell, Springshot brings a cool slingshot effect to kill running apps from within the iOS 7’s app switcher. You can download Springshot via Cydia for free.
Tweak : Springshot | Via : Cydia | Cost : FREE
Add a little WebOS to iOS! Open the app switching on iOS 7, pull an app downwards, let go… weeeeeeee!!Dismiss apps by pulling them down and letting them shoot off just like a sling shot!