graphics on video streams Virtual Reality completely replaces your view with a computer-generated reality Mixed Reality is between the two extremes @adoranwodo
Unity also has an open source cross platform development kit called MRTK for building Mixed Reality applications. Create Mixed Reality Experiences on the Web using WebVR & Babylon. Create Mixed Reality Experiences on the HoloLens or Immersive Headsets with Unreal Engine. Create Mixed Reality Experiences on the HoloLens or Immersive Headsets and code directly to the Windows Mixed Reality APIs using DirectX in C++. @adoranwodo