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 sumiguchi:
Designed for toddlers! Learn how to count to 10 along with Louis & Sarah!Fun graphics keep kids entertained and help them learn!Ages 1+ Turn up the speaker volume, launch the app and watch them enjoy!Please take the appropriate precautions when handing your idevice over to your child!
