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 Matt Coneybeare:
Flipped Text is the best way to get rotated, flipped and reversed text on your iOS device!p so no uo x ps pu pddl ,po o sq s x pddlFeatures Rotate, flip or reverse any text! View a mirrored preview so you can see what it looks like Gorgeous, easy to use interface Post flipped text directly to Facebook, Twitter, text message, and email Copy/Paste the flipped text anywhere you want Enable or disable capital letters Displays in almost all standard fonts Uses all standard Unicode character codes Excellent customer support Works in landscapeExamplesRotated: p so no uo x ps pu pddl ,po o sq s x pddlFlipped: tlbb6q f6xf f6 p6f g fo 6f ofgf6q, tlbb6q guq 666q f6xf ou on o q6c6Reversed: !ivb oi uo no x bv bn bqqil ,bo o w d i x bqqilViewing InstructionsTo view rotated text correctly, view the text upside-down.To view reversed text correctly, hold a mirror up to the side of the text and view.To view flipped text correctly, hold a mirror up to the bottom of the text and view.