Dock 2.0 by Clezz is an app like Dock of Mac OSX,that can manage the background processes, app shortcuts, quickly switching between apps. The application can be found in Cydia on jailbroken devices and comes with a 3 day trial. After the trial you are required to install a license which can be purchased in Cydia for $4.99 USD.
• Now supports iPad.
• Multi-task manager,quickly switch background apps.
• Customizable app shortcuts, you can add many apps as shortcuts.
• Quickly open app and quickly switch between apps, in the lock-screen can also be operational.
• More than one way to show Dock,double tap Statusbar,short hold Statusbar,double tap home button,short hold home button,left/right corner slide up, QuickDo gestures.
• A variety of display, rotating icons and does not rotate.
• iOS4 folder support,themes support.
Clezz has provided a sample video which can be seen here.