Couchbase Mobile provides a robust embedded NoSQL database, Couchbase Lite, which can be used within iOS, Android, and Xamarin apps. The Couchbase Mobile stack also includes Sync Gateway, enabling secure data synchronization across clients. A developer created an app called CouchDraw to visualize the power of Couchbase Mobile by creating a collaborative drawing experience using real-time touch effects. The app utilizes Skia, a cross-platform 2D graphics library, to support drawing and store data in a document-based database, which is integrated with Couchbase Lite and Sync Gateway for seamless synchronization. The developer invites the mobile and Couchbase communities to expand on CouchDraw's functionality with new features such as color selection, line thickness adjustment, and erasing capabilities.