A hacker known as chpwn has released a tweak for owners of jailbroken iPhones that recreates two of the multi-tasking gestures that can be optionally turned on with non-jailbroken iPad 2 units running iOS 5. The tweak, known as Zephyr, allows iPhone users to do a single-finger swipe up from the bottom of the screen to reveal the app tray, and also lets users swipe in from the sides to bring in the active screen of other open applications.
