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 Kiube mobile:
With Pickwick iMoments for iPhone & iPod Touch, you'll never have to suffer a bitter, oversteeped or weak underbrewed cup of Pickwick tea again. Pickwick iMoments helps you make the perfect cup of tea, every time. With it's simple interface, Pickwick iMoments allows you to browse a wide variety of Pickwick tea, discover the new tastes, reorganize the list of tea flavours according to your preference or simply start the countdown to get notified until the teas brewing time is over. Pick up your tea type and Pickwick iMoments will start a timer for the perfect steeping time.