A live demo of the appliation is deployed to http://simpleweb-app.appspot.com/ -

You can get the source to base it for your own application with:

git clone https://github.com/joaompinto/simpleweb-app
cd simpleweb-app && git clone https://github.com/joaompinto/simpleweb
/opt/google_appengine/dev_appserver.py .

Browse to http://localhost:8080