Azure Cosmos DB SDK for Xamarin
Azure Cosmos DB will be a powerful cloud database for mobile apps. It has everything a mobile developer will need—a fully-managed NoSQL database as a service that will scale on demand, and it can bring your data wherever your users go around the globe with complete transparency to your application. We're excited to announce that Azure DocumentDB SDK for Xamarin mobile platform will soon be available, enabling mobile apps to interact directly with Cosmos DB without a middle-tier.
Learn more this announcement in this blog post.