The Guardian have a report on books and apps with a good mention to the Robot Comics Scott Pilgrim App:
The future offers much more. One of the most intriguing prospects for me is to use social networking facilities to conduct mass-participation experiments to explain the science discussed in a book. You can already download for nothing an app that allows you to join the Galaxy Zoo project to help astronomers explore the universe. Twitter and Facebook offer the opportunity to create communities bound together by the experience of reading a particular book. The app that lets you read the series of Scott Pilgrim comics on your smartphone is already exploiting the power of social networking to create dialogue between readers, who use the characters from the comics as their avatars.
See the whole thing here
