Applications, shortcuts, widgets, contacts => all this is available everywhere and only a single touch away. And all this wrapped in a style application material.
+ Add an arbitrary number of applications, shortcuts, widgets, or folders to a sidebar
+ Add an arbitrary number of applications, shortcuts, widgets to a folder in a sidebar
+ Arbitrary number of handles (touchable regions, whose contact open a sidebar)
+ Put the handles on the left or right side or even up or down your screen
+ Many triggers (gestures) available (drag up / down / left / right, click, double click, long) that will open a sidebar