The framework has a full fledged demo application that demonstrates programming techniques used in the framework.
The demo is located in the demo folder of the Jam.py package downloaded from Github. There is also a stand alone or an portable application for Windows x64 provided here.
The portable application depends on LibreOffice for Reports and nothing more. Just run it and point the browser as per below.
To start the demo application go to the demo folder and run server.py script.
Open a Web browser and enter 127.0.0.1:8080 in the address bar.
To see Application builder open a new page in a browser and enter 127.0.0.1:8080/builder.html