The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
GrainsFlow is a simple toy-app that simlates the multiple grains on the square box with nails.Usage:Start the app and tilt your iPhone/iPad and watch how grains flow inside the box.Device:This app can ran on iPhone 3GS or later, iPad 1st gen or later with iOS 5.0 or later.Faster the device, smoother the app runs.