A live instance of the Native integration can be seen here:

https://perform-demo.epi-uk.net

The Quicksilver project as best practice starting point for installing Native is available in the Episerver Commerce reference architecture: 

https://github.com/episerver/Quicksilver

You can find more information about how to set up and configure Perform here: 

http://world.episerver.com/blogs/Quan-Mai/Dates/2017/3/episerver-perform-integration-for-commerce/