Taskbar is an overlay tool to mimic Windows 8 Taskbar for Android OS. It comes in handy when you want to launch apps, common settings, favorite contacts quickly.
Tap on the "start" button to open taskbar. Scroll up/down to launch app. If you add folders, contacts, settings, click on theme to execute.
Change start button location
Click an hold in 400ms, them move around to change its location.
Open setting > Edit start menu item, then drag the icon in the right and move to change item order.
Open setting > Edit start menu item, then click on action bar > hide to exclude apps.
Open setting > Edit start menu item, then click on action bar > add new to add new folder. Type folder name, select icon and folder type. Taskbar supports apps, contacts, settings folders. More type will be added (bookmark, shortcut, quick dial, etc).