How to create admob native ad block?
This tutorial shows how to create and get an ID for Advanced Native ad.
1.) Log in or sign up https://www.google.com/admob
2.) Select You Project and select "Ad units" (1). Click button "Add ad unit" (2)

3.) Click -> "Select" (1) under Native advanced

4.) Enter you "Ad unit name" (1) and click -> "Create ad unit" (2)

5.) Copy ad unit id (2) and click -> "Done"

6.) Paste you Native Advanced ad unit id to you strings.xml (Android App) file, constant "banner_native_ad_unit_id"