Code is written in cocos2d-x. Code is very well written and properly commented. All the keys need to change are given in a separate file. A PDF is included in package which contains instructions for reskin the game.
Check out the game constant file.
<pre>
// Set frequency for displaying
// Full Screen Ad at Game Over
#define ADS_FREQUENCY 2
// Add your own Admob Banner Ad Unit here
#define ADMOB_BANNER_AD_UNIT "ca-app-pub-4736487242866161/5601557937"
// Add your own Admob Full Screen Ad Unit here
#define ADMOB_FULLSCREEN_AD_UNIT "ca-app-pub-4736487242866161/7078291138"
// Add your app URL here
#define APP_URL "https://www.google.com"
// Label Colour
#define LABEL_COLOUR Color3B(125,125,125)
</pre>