(Apologies for the bad looking icon, I couldn't find the OG Icon, and the Construct Cropper is stupid with transparent icons.)
Ever wanted to Rick Roll someone on your own device, but end up Rick Rolling yourself too by playing it? With this, you can Rick Roll a whole room of people, and make a getaway too! Just open up the tool, set a timer, (better with having the option don't show clock on countdown if you want nobody to suspect anything but a screensaver) ask to leave or go to the bathroom, and after the timer is up, everyone is Confused, Scared, and Rick Rolled, except you. Master Destruction.