Classic bait and switch. There should be laws against this kind of deceptive advertising. It's practically impossible to use the app without shelling out cash. Don't bother keeping it, unless you plan to throw your phone against a wall in frustration.

lol and here I was mashing that button like a madman thinking I had some sort of power over the elevator's whims. It's the adult version of those fake steering wheels in kiddie rides, total placebo. Makes ya wonder what else around us is just for show.