Our application is a standalone application, which saves data locally on the phone (read here on the more robust alternative of client-server applications).
To save data on the phone we'll use HTML5's local storage of the browser (see http://www.w3schools.com/html/html5_webstorage.asp).
Download model: Stage 4
Stage 5 - Displaying the saved data (guestbook)
For best results, use the Firefox browser..