I have been studying Android Java for some time and finally made my own game with the help of some online codes here and there. I even composed the Hiphop and Dance type music for the game and designed all my own graphics.
https://play.google.com/store/apps/details?id=bb.hoppingdino&hl=en
https://lh3.ggpht.com/qhOgfSir9wuqUPlp2bY2kld187xtqyUD5T783YxriVGbOWw-sP5IPZj8EVW9zMtsx4Te=h310-rw
Check it out