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 Tayasui.com:
Carl is peacefully resting on its cloud and while gently breathing it helps children and parents alike find their way into sleep.It act as a very nice looking white noise generator and fade slowly into silence after a configurable time.
