You will have to provide me application source code and details about the ad service you want me to use (publisher ID, SDK link and etc.). I have integrated different frameworks like AdMob, AirPush, Leadbolt, Mobfox and more.
I will Change app name, package name, change icon and you defragment apk file for upload on Google Play.
I can also help you i your android app errors. I can also integrate ads in your unity projects as well
Please not that i only implement banner ads and if you want interstitial ads please see gigs extras