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 Think BIG Pty Ltd:
The South Yarra Shopping app is a comprehensive listing of all stores located within the suburb of South Yarra. All South Yarra stores are categorically listed so you have no issues in finding the right store within one of Australias most fashionable retail areas.Store listings include brief descriptions about the business and also all relevant contact details.The South Yarra Shopping app is all you will ever need for store information in one of Melbournes most popular shopping areas.The South Yarra Shopping app also entails a grocery shopping list which allows you to simply select the items you need using the vibrant, visual & intuitive interface and have a grocery list readily available in the palm of your hand.