also window dressing
1.
Window-dressing is the skill of arranging objects attractively in a window, especially a shop window, or the way in which they are arranged.
N-UNCOUNT
2.
If you refer to something as window-dressing , you are critical of it because it is done in order to create a good impression and to prevent people from realizing the real or more unpleasant nature of someone’s activities.
The measures are little more than window dressing that will fade fast once investors take a hard look at them.
N-UNCOUNT [ disapproval ]