The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Armia Systems, Inc:
With this video-on-demand application for Apple iOS 5 you can distribute your video content, viral videos or any other engaging video through your own custom branded mobile application. The app supports RSS, Video Podcast and Youtube videos and channels, so adding and managing the content is easily done through Youtube.