I showed it with pictures, friends, I click on about, then I press the back buttons, this time the about widget stays behind and does not close.what should I do? [1] [2] [3] [5]

Promoting to variable isn’t enough. You need to restructure your canvas. Have a main widget which has the switcher component dragged into the canvas. Inside the switcher you need to drop your menu widgets (so main menu, about etc.) and they have to be indented under the switcher. Then you need t…