This has been done before...
I've seen this done better before. But none-the-less this IS kinda cool. The one where you had to tilt your head 90 degrees was hard, you should have said "Tilt your head 45 degrees so that your chin points at the bottom left hand corner of the screen, or you could have made a button that turns the image for you. If you are to make a sequel, make more illusions, some kind of database that you walk around in or some kind of organization instead of "Next" all the time, and add some trippy music or relaxing music. Thats all I have to say.
pHiL