GridRaster provides the underlying compute and network stack to power immersive mixed-reality experiences on mobile platforms. Intelligent collaborative computing between the mobile device and edge-cloud allows for ultra low latency, high-frame rate, and high-resolution real-time visual rendering. Precise fusion of virtual and real worlds is achieved with scene understanding using 3D vision-based AI from camera and depth sensors. The platform provides a seamless API-based integration with existing content formats and devices. This approach enables truly immersive mixed-reality experiences across devices, platforms, locations, and time.