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 Lunaria LLC:
Thanks for the amazing feedback! Please keep it coming at firstname.lastname@example.org!We added little cues to further enhance the experience for kids and simplified the in-app purchase messaging for parents. Positive encouragement sounds are played only when kids correctly identify the answers in the first two attempts.