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 Pogo Corporation:
"Serving up ""To Go"" and ""Delivery"" Faster. Tanner's Bar and Grill is powered by MobiDines. This free and easy to use app allows you to place to-go and delivery orders and receive specials directly on your iPhone. You order by selecting your choice directly from the restaurant's menu displayed in the app (no web browsing). You also have the option to customize your selections and add special notes. Get it delivered or drop by and pick it up. Get it fast with MobiDines. Features: Have the menu on your phone all the time Place a perfect, custom order from the full menu from anywhere Special promotions made available only to MobiDines users Get directions to the restaurant from anywhere."