This is a tutorial on how to enable multitasking using Proswitcher on the Apple iPhone. Your iPhone or iPod Touch needs to be jailbroken in order to enable this application. To enable this Palm Pre Card Style multitasking Backgrounder must be downloaded using Cydia and then the using the following source Index of /repo
download the application called Proswitcher. Then you are done, double tap the iphone home button to enable a background task and there you have it. Multitasking done simply and easily on the iPhone platform.
YouTube - Multitasking on the iPhone 3GS (Palm Pre Style) by Product Feedback