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 Prairie West Software:
How to Tell if a Guy Likes You...If You Have a Crush On A Guy - You Need This App!The App Includes: Get Anyone To Reveal Who They Secretly Have a Crush on Using Your iPhoneYou never know, it might just be YOU! You won't believe how well this method works but it only works if you have the app. The 30 Secret Tell Tale Signs That He Likes You More Than a FriendRefer to this list after you see or talk to your crush to gauge his interest level in you. You may not have heard of many of these signs before - there's something for everyone! 20 Tips to Attract a GuyThese rarely used strategies may change your love life forever. Guys revealed these tips to us, and we're passing them on to you!