ARCore is Google's augmented reality SDK that provides cross-platform APIs for building immersive experiences on Android, iOS, Unity, and the web. With ARCore, developers can create world-scale augmented reality experiences by seamlessly blending the physical and digital worlds. The SDK offers features like motion tracking, anchors for object tracking, environmental understanding, depth understanding, and light estimation. It also provides APIs for geospatial integration, scene semantics, recording and playback, depth sensing, persistent cloud anchors, and streetscape geometry. ARCore is used by a variety of partners to create innovative AR experiences in different industries. The platform has a growing community of developers and hosts hackathons to encourage creative AR projects. With easy integration into Android, iOS, web, Adobe Aero, and Unity, developers can start building with ARCore using their preferred development environment.