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 Florio Media Technologies:
"Do you know where Tuvalu is? What about the best place to get a Gelato?Come test your knowledge with World Explorer and see if you know your world.Features:*100s of questions in a variety of categories*User-friendly, intuitive interaction*Easy-to-use Search and Browse Functions*Bookmark text and Save Favorites *Share and engage with friends using Social Media FeaturesFor questions or support, contact firstname.lastname@example.org."