Scrolling through the list of possible applications you see something that awakens your curiosity:
"Multiplication - increase the number of any object, body part or even person"
Interested you click on it and you get prompted to select a target. As a test you select a cup of tea thats on your desk.
After a few more options you click on "Apply Change" and a second later there are two identical cups on your desk. The tea even has the same temperature in both cups.
Being satisfied with your test run you select yourself as a target. Clicking through the options until you are happy with the settings you select "Apply Change" again and brace yourself for a really weird experience.