use the mediator Appodeal

Let's get started, with the account in admob and appodeal created go to this link link fill in according to your app, make sure you put the android option and remembering that Bundle ID is the package name of your app. creat app- > choose your platoform - > the types of advertisements - > if you chose banner on the next page choose whether it will be at the top or bottom. the next page will appear the networks if you want to disable some is just click on it, the process will be slower if all have selected nothing more out of the ordinary, then you choose if you want to show ads that generate more profit ($$$) or have better Reviews,
In the next page, if you have activated the interstical, you will have two options, choose the one that best suits you, select whether you are using proguard or not, and finally the document.

At this point you will need the google chrome uc browser to install the extension, I do not know if it has extension for Firefox anymore without the extension on has like. When the extension is installed click on it, it will have the steps, will click on the order to do what needs, in the option that has the admob will configure alone do not do anything until finished, When you finish click on the extension again and finish the process that is missing, a message will appear on the admob page, close it to continue the conficuration.

When this is done, this part is ready, if you are not redoing part of the extension. in point 3 download sdk You can download Android SDK here. .

Put this in your .Gradle compile project(':cheetah-mobile-3.4.7') compile 'com.google.android.gms:play-services-ads:8.4.0' compile 'com.google.android.gms:play-services-location:8.4.0'

Put this in your manifest, do not forget the permissions! Do you know how the manifesto works, right? link

Here is a comparative 2015 video that shows the difference in earnings generated between the two. link .

Here is a video in English, desaturated of everything I said. link

Here is a video in Portuguese, desaturated of everything I said. link

Here is a code for you to test the ad with a banner below. just stick to the activity you want.

    String appKey = "Coloque aqui a chave appodeal do seu app";
    Appodeal.initialize(this, appKey, Appodeal.BANNER);
    Appodeal.show(this, Appodeal.BANNER_BOTTOM);