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 Flatcracker Software:
Do you ever find yourself wishing you had a British accent? Would you like to greet your friends and family with a big "Hello Governor!" but are too shy to actually say it in public? Well, your dreams have just come true! The power is now in your hands with the Hello Governor application. Hello Governor, allows you to greet anyone with a friendly English hello, by simply pushing the play button. Choose from a male or female voice, adult or child, which can greet people you meet with a big 'Hello Governor!" This application is a must have for anyone who wants to spice up their hellos! Check out other iPhone applications at: flatcracker.com