Git and Github (->)
- Create a directory for yor project and put a www/ subdirectory in it
- Create a Git repository, and push it to Github
- Add a www/config.xml and push that to Github as well
- Use Build PhoneGap to generate the application
- Download the APK file for Android, connect your mobile device to the computer, copy the APK file and from the device click on it to install it.