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 Ladd Usher:
Get your message NOTICED from across the room or silently right next to someone.Great for flirting with people, passing notes when you cant talk or showing support for your favorite team. There are endless uses!!!Enter the message you want to convey and hit Yo!. Thats it! Your message will be displayed in bright text that is big enough to see from many feet away.Save your favorite messages in the favorites tab. Tap on a favorite and the message text is automatically populated. Hit Yo! and you are done.You can save anything in your favorites you desire. And... Your favorites ARE searchable! Just start typing and they are there!10 Quick Buttons for your most often used messages are also easy to set-up and use.Choose from several different color combinations for the text and background.The app also includes several different fonts you may choose to display.Simple... Fun... EFFECTIVE!!!