With Play Mode for Unity you can play your AR app directly in the editor and don’t have to deploy it to a device every time you want to review your changes. It makes it easier to experiment with new ideas and to refine the user experience.
This tutorial explains the features and capabilities of Vuforia Play Mode for Unity. You will learn how to configure the Editor settings for your AR scene and webcam. Those using non-standard webcams will also learn how to define a custom camera profile.