As the computer needs to be equipped with an NVIDIA GPU with CUDA computing capabilities to perform real-time 3D spatial mapping, unfortunately, a tablet won't be compatible
The ZED cameras are designed as USB devices meant to be connected to a host computer. The ZED camera outputs a high-resolution side-by-side color video on USB 3.0 and this color video is used by the ZED software on the host machine to create a depth map of the scene.
However, a gaming-grade laptop would perfectly suit the cameras and you will get the required results you need.