Worlds succinctest guide to setting up a phone gap project.

• -> npm install -g phonegap
• -> npm install -g ripple-emulator
• MAKE A PROJECT
• CD to the project
• -> phonegap build browser
• ripple emulate

Then open a browser

http://localhost:4400/platforms/browser/www/index.html?enableripple=cordova-3.0.0

Thats it!  Your cordova version may be different, the important part is the URI, which is the path between / and ?