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.
From Kiz Studios:
Experience the new Muck Comics app from Kiz Studios developed for iPhone and iPod Touch utilizing Kiz Studios' own 3D MotionView technology. Our unique tilt-action feature brings to life the fun-filled adventures of Wedge, Max, Jessie, Roland, Takoda, and all the other kids you love from PlanetMuck. Every comic takes advantage of the iPhone and iPod Touch designjust tilt your device to activate the 3D effect and watch the characters and landscapes move in vivid color!The Muck Comics reader comes with a variety of exclusive Muck Comics ready for your enjoyment, with new comics added frequently! Every comic you download stays connected to your account, so you never lose your connection to PlanetMuck!