Househunter Test-Drive Like how this banner uses the users content to suggest a car thats relevant to them,
http://www.theopeninter.net/ Not the most innovative interaction, but it tells a great story & effectively encourages engagement.
http://lostworldsfairs.com/atlantis/ Take a ride with the guy to the bottom of the sea...
Build the story as you scroll. http://nizoapp.com/
http://hobolobo.net/ Paralax style popup book.
http://www.guidetotheappgalaxy.com/#/developersguide/4 Hey, it starts at the bottom of the scroll rather than the top. Thank you, Google, for changing the parallax paradigm.
http://www.shopkick.com/index I love the use of video to provide examples, but I also wish I didn't have to watch the whole thing... would like to skip around.
http://hardudetideg.no/test/en.html I love the interactive elements of it. Do the action to see how it works.
Transferring data from the desktop to mobile
New spotify ipad app has a killer design