First off, very nice. I'm working on an app this would be perfect for, assuming the performance is good on mobile devices. With that said, I have to agree with

First off, very nice. I'm working on an app this would be perfect for, assuming the performance is good on mobile devices. With that said, I have to agree with @dangrossman I don't see any Parallax effect. I just see nice sliding pages. [edit] went back and looked more closely at the background. I can see the effect, the image choice for background is just poor at showing it off. Maybe it's more visible when you don't have a bright window behind you like I do, but those thin gray lines really ought to be replaced with something more visible.