Browse large quantities of high-resolution imagery smoothly and quickly with a flick or a pinch. Explore massive galaxies, pore over maps, or flip through collections of photographs, all over the air. You can also add your own photos or browse those already available on Photosynth.com.

Sidenote: At the point of posting this program has been marked as beeing freely available without costs. As this program is hosted with the AppStore the status might change. Authors like to publish their programs for free for promotion purpose and then make it commercial. Also it could happen that the author decides to take the program down.

http://appshopper.com/photography/seadragon-mobile