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 Quimron GmbH:
** The Best Games ** Imagination Stairs presents a set of its best games for children of different ages. The games of this selection are based on illustrations from the interactive fairytale of Mother Holle (also available as an app in the Apple App Store). * 20 "Find difference" games for the youngest kids. * 19 "Sliding Puzzles" games for the youngest kids. * 20 "RiddleMe" games for the youngest kids. * 15 "MemoMe" games for the youngest kids.You can find the links to our interactive fairytales inside this app.