This is a quick iPad app that allows you to explore xkcd comic #1110: Click and Drag.
The hard part was getting all of the image assets together (though a few other related projects helped in that regard); most of the code itself is adapted from Apple sample code.
The images contained in the app are courtesy of xkcd and are licensed under a Creative Commons Attribution-NonCommercial 2.5 License. For more information, see the xkcd website.