Download the base.zip file to your Mac.
Unzip it into your Documents directory.
Rename the base directory to a new name for your project.
Open XCode, click Open Other, and load the project.
Rename the project using the Project, Rename menu in XCode.
Delete the existing www resource from the project (make sure you delete the files).
Drag your completed projects www folder onto Resources in XCode.
Check the Copy items into destination group's folder (if needed) box.
Select Create Folder References for any added folders and click Add.
Build and run (if you still see Hello World delete the app from the simulator and Clean All Targets first).