Google's App Engine is an interesting idea, it works, but since it's missing a proper relational database, it limits it's overall appeal.
You use a custom application provided by Google for the deployment of your application. The applications themselves are configured through a simple YAML file.
Django is supported, but some features are limited due to the absence of a relational database.
|Article||App Engine is Okay...|
|Pricing model||Platform as a Service|
|Server type||Custom Application Host|
|SCM||Entire site under version control|