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 Gruppo Alcuni:
Get the free exclusive "Pet Pals" sticker game from the famous TV series and motion picture "Pet Pals - Marco Polo's code"! - Moby, Olly, Pio, Top Hat and their friends are excited to play with you on 9 beautiful settings for an unparalleled fun. Your child will create and play new adventures set on the original scenarios from the motion picture "Pet Pals - Marco Polo's code". With a simple and intuitive gestures, your child can position, resize and move the "Pet Pals" stickers on stunning scenarios. Satisfied with what has just been created? A simple button allows you to save the masterpiece in your iPad image library, to be reviewed for additional fun. Do you need an even more enthralling experience? "Pet Pals - Marco Polo's Code" is an incredible adventure that will suprise you with 3D animations, games and amazing suprises. Search for "Pet Pals - Marco Polo's Code" in the iTunes App StoreSM!