DescriçãoGeiger counter to show radioactivity.
Its a fake geiger counter. The value depends on the tilting of the smartphone is hold. So an absolute natural motion is done, when measuring an object. The trick is hard to discover for your friends.
The radioactivity can direct be heard with the typical sound of a geiger counter. It also will shown in millisievert and with a big icon. This is blinking at highest values to make additional panic. :-)
Please report if you have troubles on your phone.