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 GPSFRIENDLY Sp. z o. o.:
GPSFriendly is the solution for active and sport lifestyle enthusiasts, travelers and lovers of maps and navigation systems in tourism. It's a simple way to share your trips, as well as collect them. It allows you to record and publish records of your routes on a map, creating a mini-guide containing distances traveled, trails, photos, interesting places, as well as viewing and using routes created by others. It helps travelers and others with spending leisure time, and also making friends with people of similar interests. It also makes it easy to view and download tours created and proposed by others and using them without having to connect to the Internet, because background maps are available off-line. This allows you to travel the route visible on your device.Record your trip and share with others.