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 MATILDE INC.:
AIRDECK+ is a new music player and you can enjoy a new music experience.Music and animations will start when overlay an iPhone or iPad that is running this app onto the printing designed for AIRDECK+.As the first work, special printings designed for AIEDECK+ are in the August issue of the famous music magazine "sound & recording, and you can listen to the new song from Japanese famous artist Soutaiseiriron" with AIRDEK+.Enjoy a new futuristic music player and music experience by overlaying AIRDECK+ onto various objects that make up this world. http://airdeck.info