Knowing the "App Resource Library" and widgets, you can make a major transformation to the desktop. As you can see, the following three clean-looking home screen screenshots have two things in common: the number of apps displayed is small, and the number of pages is small (the white dots above the Dock bar correspond to the pages).
▲ The pictures are all from the "Now" app, by the authors Fei Xiaoying, Ralen, and chinagn