This tutorial guides developers through integrating live video chats into Unity's popular Tanks game for both iOS and Android platforms using Agora Video SDK for Unity. The prerequisites include knowledge of C#, scripting within Unity, an Agora developer account, and at least two mobile devices (one iOS & one Android). The project setup involves enabling Unity Live Mode, building the iOS version, and making adjustments to the code before building the Android version. After integrating the video chat feature, developers can test their game by deploying it on iOS or Android devices.