AdMob uses the Google Mobile Ads SDK. This guide will show you how to integrate the Google Mobile Ads SDK into a brand new app and use it to display a simple banner ad. It should take about thirty minutes to complete and will give you a good sense of how the SDK functions within an app. If you’re new to Google Mobile Ads, this is a great place to start before moving on to more advanced examples.
Use Opensourceprojects.org as a new resource. Improve yourself by learning new code sequences and modifying them.
Do not forget that nothing is impossible, everything is in your fingers!