I've started to make a game few months ago, and now i almost finish this game. The only thing that is missing is the ad and google play services. I know this is a stupid question but i really need to get it done fast. Can somebody please guide me on how to add an ads in the game and what ad service should i choose??. I've tried looking in the manual but i didn't find some useful information. So PLEASE!!! can somebody help me this, i would really apreciate your help.