Major disappointment

I just downloaded this app, expecting brain-twisting & fun optical illusions for my iPad. Nope. What I got was fuzzy pixelated amateurish drawings. How do I get a refund for my $0.99? Thats right! Its not even worth 99 cents. Im about to delete it.

SFskies about Optical Illusions - Images That Will Tease Your Brain, v5.0