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 NKR Innovations:
Find the nearest Transportation - Airport, Bus, Train, Ferry and Car Rental now with the power of the internet and your Apple device! Incredibly easy to use and powerful. Imagine this data available to you at the click of a button. Search by Name, City, State, Zip. Near me feature using your GPS location. Mapping feature displays push pins for locations. Driving directions to location. Send email containing location details. Send SMS message containing location details. Make instant phone call to location.Continued use of GPS running in the background can dramatically decrease battery life.