Folder Closer jailbreak app for iPhone enables a folder tweak available on Cydia that allows a simple but essential trick not included by Apple in the latest iOS 4.0 firmware. That is when you open an application in a folder on your springboard , you will never have to manually close that folder again when you switch back to SpringBoard.
Folder Closer is a free application on Cydia . Just search Folder Closer and install it on your jailbroken iPhone . More Jailbreak Apps .