From Warner Bros. Entertainment:
Explore the world of the Watchmen movie from your iPhone or iPod Touch. Gain access to Watchmen content, including trailers, behind-the-scenes video journals, motion comics, and downloads.
Version 2.5 includes a new interactive Rorschach mask and has updated with new launch screens.
Note: The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries."