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 RAMA CHANDRA RAO VADRANAM:
Welcome to the Addition Foundation Trainer App. This App is developed to help understand basic addition concepts in maths.This App is useful for kids aged 4 years and older. Completing this program is very useful for kids before joining Kindergarten. This App may also be helpful for older kids if they are struggling to understand basic addition concepts. Guidelines for each week gives information about how to practice that particular week's session to achieve best results from this program. Other features include drawing board which allows kids to draw numbers, shapes and save them on the device. Quiz section allows to practice simple additions.