This is a magical legerdemain! Use this app to diddle your friends.
And this is the way to go:
Show this app to a friend and tell him to click the button until it becomes green. But on every shot the button keeps jumping to another place on screen and can't get caught.
Now it's your turn to let the magic happen ...
Keywords: captivator, charmer, conjurer, enchanter, illusionist, legerdemainist, magician, magus, sorcerer
warlock, wizard, magic, theurgy, black magic, illusion, magic wand, sibyl, witch, button, knob, nub