Google App Engine is one of the most advance application platforms that use the technique of cloud computer. However, there are little resources about using the google app engine starting from scratch. For those people who are interested in using google app engine but don't have any idea on how to start, it is the place for you. There are two choices of programming language currently. They are Java and Python.
I'll focus on the Python part first and then I will put more stuff with regards to Java. Please visit the "App Engine Guide" often