Backgrounder 1.0.2-1 Released in Cydia, Download and Install it now.
Backgrounder is a tweak available on Cydia and necessary for all jailbroken iPhone or iPod Touch.
It will then permit you to manage multitasking (you can have several applications running at the same time).
You can install the Backgrounder app via Cydia. To use Backgrounder app to run iPhone app (e.g. BeejiveIM) in background, simply press and hold the Home button for a while until you see the “Backgrounding Enabled” message. Read more…