Implementing a Xamarin solution with Couchbase Mobile provides an efficient framework for creating cross-platform mobile applications in C# with local persistence, allowing apps to operate independently of a network connection. The process involves setting up a new Xamarin Android application, integrating the Couchbase Lite NuGet package, and leveraging the shared code capabilities of Xamarin to ensure that the database operations are consistent across both iOS and Android platforms. Once the Couchbase Lite package is added, developers can create a local database to perform basic CRUD operations, such as creating, retrieving, updating, and deleting tasks, using a NoSQL JSON data model. The tutorial guides users through setting up a shared database project, implementing task management functionalities, and concludes with suggestions for further resources, including GitHub repositories and guides for enhancing the application with offline capabilities and document indexing.