"The app was simple. Launch it and it display the videos for a single YouTube channel. I made the app, and it was really nice and a pleasure to use."

I'm assuming his hourly rate is $50,000/hr. Did he do anything other than wrap the web page for the channel in a web view? I'm not familiar with Android, but on iOS, you can accomplish this without writing a single line of code, everything could be done inside Interface Builder. I can't imagine it's any more difficult on Android.