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 Pop Culture Technologies:
***Discovery of a New Phenomenon:2FACED*** We may or may not be aware that our faces are asymmetrical, and that symmetry is often linked with true beauty. But if beauty is in the eye of the beholder, which side are we talking about? Unlike the other picture aps out there, 2Faced showcases the REAL you. Enjoy hours of laughter as you see what friends and family would look like if the right and left side of their faces actually matched. You will be amazed! It's easy to do:-Simply start by taking a picture with your device camera or choose one from your photo library!-See your two faces instantly!- Share the laughter via Facebook, Twitter and More! For the best results we recommend using a "front-facing" headshot.2FACED is one of the most original and fun-filled games in the App Store! for terms and conditions and support information, please visit www.2facedapp.com