In order to build a scalable and reliable backend system to keep the Lula running, Nomanini chose to run on Google App Engine. Their development team doesn’t have to spend time setting up their own servers and can instead run on the same infrastructure that powers Google’s own applications. They can focus on building their backend systems and easily deploy code to Google’s data centers. When Vuyile makes a sale, he presses a few buttons, App Engine processes the request, and the voucher prints in seconds.
See on googleblog.blogspot.co.uk