Hello community,
We have created a wrapper for easily using Game Center in your Cocos2d-x and Cocos2d-JS projects. It is completely free and open source, it can be downloaded from https://github.com/SonarSystems/Cocos-Helperalong with easy to follow video tutorials.
If you have any questions feel free to post them on our education platform http://sonarlearning.co.uk/questions.php
ENJOY