Optical Grand Illusions is all that...GRAND! No more will you have to wonder what you are looking at, with Optical Grand Illusions you will get a brief description of each illusion and what you should be looking for. Of course, you can turn these descriptions off.
Amaze yourself, amaze you friends!
Hope you enjoy this app as much as I did making it!
Works on all devices supporting OS 3.0 and greater.