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.
An intricate and fascinating screensaver for your iOS devices. The display looks like cracking rocks or an overhead view of a growing city. It's fascinating to watch the intricate patterns build on your screen. When you need to get away from life's pressure and hectic pace for a moment, take a break and play with Substrate.Substrate is based on the original concept and code "Substrate Watercolors" by J. Tarbell, which you can see at Complexification.net. If you're interested in experimenting with visual computing, you might want to check out processing.org
All iOS versions* Choose your own colors by picking a photo from your photo library.* Tap and swipe to choose the next crack starting positions.* Improved performance.iOS 4+* Save display screen shots to your photo library.* Supports Retina display on iPhone 4.* Pause and resume animation.