Android Question I want use ads


Licensed User
Sorry i cant good speack english but i have question
I want use ads in my android app
I need a ads system that automatic show ads and give mony for click in ads or show video
Also i find fiberbase and google admob ,but i dont know which betters.
I thinking fiberbase not have automatic show ads and mony.
Please help me
Which is the best result and how use?