Hang Up Preventer

V 2.2.1Fixed bug with block screen not appearing.V 2.2Button is now visible even when closed the screen when clicking it. NOTE: if you click menuclose then it will be gone!V 2.1.2Moved button to right bottom corner.V 2.1.1Fixed bug with setting background alpha, added a new request of a button to close the blocker. This button needs to be turned on in the settings.