How To Create Augmented Games?

Unity Engine
1

Hello,

I would like to learn how do people create augmented games.
For Example

We make our virtual camera(mobile phone camera) our Scene View and make game play in real world scenario.

2

This looks like Yu-Gi-Oh but with current tech devices! Looks Great! Hope its fast on gameplay, thou.

3

¿Where is located in Unity Environment, the option to VR and AR projects?

4

For AR you might like to checkout one of this packeges
vuforia
https://developer.vuforia.com/

ARToolKit
http://artoolkit.org/documentation/doku.php?id=6_Unity:unity_about

For Mobile VR Google cardbord is a nice way to get into VR

they have a nice unity package for download.And they sound work fine with vuforia together.