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 Brett Uglow:
Easily create stunning, futuristic titles for websites, banners, posters, emails, avatars, forum signatures or invitations without leaving the couch! NOW FASTER AND WITH BACKGROUND IMAGE SUPPORT!Type the text you want to create (max 100 characters) then scale, rotate and zoom using standard multi-touch gestures. The text effects are applied automatically.Add a background picture from your photo library or camera! Overlay your text using background pictures to create awesome effects!Change the color of the text using the colour picker. Undo any mistakes with the undo button and reset the view using the home button.Save the image to your image gallery using the action button.