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 PT. LinkIT 360:
BeJuBel is the application for the sale and purchase products online. Both individual and professional are able to post and search ads of product like cars, home, electronics, mobile phones, computers, office equipments, softwares even services, and others. User will be able to get all products from all region over Indonesia without much effort. Buying and selling online has never been this easy! BeJuBel Apps includes the following features : - Advance search option - Easy to post product, either you want to sell or buy, with product's picture too. - Private Message - Easy to take a look on your wishlist - Give comments to posted product