As you’ve discovered, NOBODY is paying you big money just to play games or watch videos. Feel free to play those games if you find them fun (some people do) but do not play them expecting to ever get paid.
And, report games to Google using this process:
That way, Google becomes aware of them and can work on taking them down.
There are, literally, millions of apps available in the Google Play Store. Google tries to find the bad ones and remove them but they can’t catch them all.