Admob optimize for android application

Developer needed for config and optimize admob ads sdk for my android app. If you have earlier project similar like this will be great.

I will create 3 admob ad units for same ad placment with 3 different settings: high floor, medium floor, all prices.



Programmatically and sequentially request to high floor, if no fill request to medium floor, if no fill request to all prices.



High > Medium > All price ECPM to show ads