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 Volkswagen of America:
The all-new Passat has a one-tank range of up to 795 miles, meaning youre going to be spending a lot more time in the car.* Passengers can stay entertained with this collection of the worlds most classic road games. This free application is the definitive guide to learn the official rules of old and new games. No internet connection is needed to access the game information, so you can play anytime anywhere.** Weve even included a scoreboard so you can keep track of who is the king of the road. *Range based on 43 mpg highway EPA estimates for a 2012 Passat TDI Clean Diesel with manual transmission and a 18.5 gallon fuel tank. Your mileage will vary.**Distracted driving can cause a loss of vehicle control. This application should be used only when it is safe and appropriate. Always pay careful attention to the road, and do not drive while distracted.