index.htmlis the Startup page.
<body>tag is showing a
HelloWorld!phrase and a
Start Demobutton as shown below.
5main functions in this file:
Call 411button, a confirmed message of the call is appeared.
Vibratebutton, you will notice that your phone vibrates.
Get a Picturebutton, the phone camera is turned on. If you take a picture and use it, it will be displayed in the page as shown below otherwise a message will be displayed (see below):
Check Networkbutton, the current network type information will be displayed.