I gave a talk in coscup 2011. My topic is about using openframeworks in mobile application. :)
You can download the demo code from github. https://github.com/janetyc/CosBird
16. How to start ?
1. create a copy of emptyExample in apps folder
2. rename the folder and .xcodeproj file
3. open the project
4. rename target
5. make sure it builds and runs