Greetings from Indonesia! My name is Hendra, a Java and .NET developer with 3 years of experience. Which in the context of this project, I can help you build screen lock app complete with AdMob integration (banner or interstitial).
I am new here in freelancer, so I may not have reputable statistics to present, but I can assure you that I will not bid unless I am confident that I can finish the job. Thank you for your consideration and good day to you!