Common Sense offers great reviews and advice to parents as well as educators. Their new Beta site - Learning with Technology - reviews apps, games, and other media for kids in terms of learning.
Richard Byrne explains the purpose of participating in Project 365 - an app for documenting media throughout the course of the year. Given his post, the app now makes more sense.
"Mathtoons Media creates high level math learning tools that use wacky animation, humour and music. The Mathtoons Log App helps students learn how to change between exponential and logarithmic forms of an equation with the animated guidance of Captain Calculator and his assistant, Corporal MiniCalc."
This is a great blog post from edSocial Media regarding using apps as sources. As more schools move towards iPad integration programs, this is increasingly going to be a challenge.