I have just completed my second game for Android and it is live on Google Play.
https://play.google.com/store/apps/details?id=djs.game.lucky13
https://lh3.googleusercontent.com/fvihACD33a3YHyKQ5S59UDA0RaHSJqF5TPxNErfZcnNo9gssNY-X3toeFjWkupJ2YA=h900-rw
Give it a try. If anyone has any tips or suggestions for improvement please let me know.