This is a Unity 5.2+ Project featuring UnityAds integration with PlayMaker.
this project contains Samples that are distributed viy the Ecosystem:
https://hutonggames.fogbugz.com/?W1181
You need to own a license of PlayMaker and install PlayMaker after you've cloned this project.
http://www.hutonggames.com/index.html
you can purchase PlayMaker on the Unity Asset store: