This year’s WWDC 2013 saw a lot of advancements. The video here shows the hidden iOS 7 settings which reveals What actually is Apple working on.
As in the video, we could see these new-to-iOS gestures for quicker app switching later on but not much else, as the settings are hidden and likely only for internal use. [source: 9to5mac]. See the video below to know more on iOS 7 settings.