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 Destination Davos Klosters:
With this app you will carry all the important information around Davos Klosters with you. Find out what events are happening or which mountain railways and slopes are currently open. Plan your next walk or bike tour with extensive descriptions and maps. Consult the weather forecast, the movie schedule or take a look at many webcams. In addition, you will have access to all the important addresses in Davos Klosters - For example hotels, restaurants, bars or shops. This App is a must for all Davos Klosters fans.You need an internet connection in order to use this App.