Google App Engine is a web application and mobile backend development platform. Simply upload your JavaScript, and Google will take care of the rest. You won’t have to provision or keep any servers.
App Engine includes built-in services and APIs that are common to most web and mobile applications, such as a NoSQL database, and a user authentication API.
GAE (Google App Engine) is perfect for SMEs and entrepreneurs. Every app owner should use the platform to improve and scale their apps without compromising quality.