This document provides an overview of Huawei Mobile Services (HMS) Core and the Huawei developer ecosystem. It discusses how HMS Core can be used as an alternative to Google Mobile Services, including key SDKs across various categories like ads, analytics, location, maps, payments and more. The document also outlines resources for developers to get started with HMS Core, register accounts, and publish apps on Huawei's app store, AppGallery. Statistics are presented on the growth of registered developers and apps using HMS Core on the Huawei platform.