Hi, I am really an experienced Corona developer. I have developed many games in Corona.
You can review my references attached below. I have all those source code.
I can provide you all source code. Please contact me.
3 matching Game
http://www.amazon.com/Stormy-Weather-Match-3-Game/dp/B00HKZN24E,
Endless Runner
https://play.google.com/store/apps/details?id=com.gmail.Tushar9986.CrazyBird
And other apk I developed