Check out this game - "Guess the Blogger". It already earned 207 USD in June from AdMob. The game is targeted at the Russian market & consists of 113 levels.
The developer Vlad Ohtincev joined QuickAppNinja in June 2019, and from this time he created 24 games that produce him a stable income.
If you know Russian, please play the game now: https://play.google.com/store/apps/details?id=com.okhtintsevvladislav.ugadaiiutubera