KidoZen provides backend as a service for mobile applications including SDKs for iOS, Android, Windows Phone and JavaScript/PhoneGap. It offers features like mobile app provisioning, security management, backend management, app analytics and HTML5 application hosting. KidoZen also provides a scalable MongoDB topology on Windows Azure with shards, mongos routers and APIs for storage, logging and configuration. The document includes code snippets for using the Azure module and testing string length in Node.js.