[ame=http://www.youtube.com/watch?v=UgJFJZ6wOB0]YouTube - FAST App Switching With BusyBar For iPhone And iPod Touch - iOS Vlog 344[/ame]
If you are ever in the middle of a SMS conversation and doing something in another app, this free tweak might be for you. BusyBar allows you to save a single app, that you have open, at the top of your screen. This is the same bar that you would use for Tethering or backgrounding a call. You can add a gesture, open an app, do the gesture, and you should have your open app waiting for you at the top. Now you can switch between apps quickly. BusyBar can be found for free in the Cydia Store.
