A little while a go I released my first app Space Hops. I found source code for full games very helpful, so I decided I would post mine. It is made with cocos2d-for-iphone.
Download Space Hops here: https://itunes.apple.com/us/app/space-hops/id594385908?ls=1&mt=8
GitHub Repo: Here
Basic walkthrough on my blog: Here
Hope this helps, please let me know if you have any questions.