October 20, 2011
This is the original CJ Lookup 倉頡找字快, version 1.0 series for iPhone, available for AppStore download at: http://itunes.apple.com/us/app/id367246450
This app uses the Three20 framework extensively, which should serve as a good example on how to integrate Three20 into your project.
This iPhone app is developed for "Fleur Hong Kong flower shop 花香港花店" http://fleur.hk/, an European style online flower shop for their Hong Kong clienté.
If you are interested to extend the code, please feel free to contact the project maintainer on Github.