Home screen widgets have the following life cycle on mobile devices:
+Users download and install a home screen enabled widget on a +compatible device.
Users select the widget +to open it in full screen view and interact with it by making selections, +requesting specific data, specifying settings, and so on.
Exiting the +full screen widget does not shut it down. The widget is hidden from view and +remains running in the background.
Users remove +widgets from the home screen to shut them down and to uninstall them.
Users uninstall widgets.