PhySwitch 1.0-5 has been release on 1st May, 2011. PhySwitch 1.0-5 help you to use your iPhone’s/iPod touch’s volume keys to change between applications.
Thenopen PhySwitch 1.0-5 and use the volume keys to switch between the applications! You can use the touchscreen to change between them too! [ to see video click "Read more" or see complete post ]
Availability : Cydia Store
Cost : 1.99