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 Flammy Design:
EverPicture is Evernote viewer optimized for seeing photos.With EverPicture, you can use your iPad or iPhone as a digital photo frame. -Synchronizing photos with Evernote.-Slideshow (Enabled update pictures during slideshow)-Plotting photos on the map using geolocation tags contained in the note or jpeg's EXIF. -Seeing pictures by All, Notebook, Tag, Place, Search.-Twitter integration with Twitpic.-Navicon integration for setting the destination to the car navigation.EverPicture doesn't make a change to your Evernote data.