To Do:
Get Dreamweaver CS 6
Get a Phonegap Build account: https://build.phonegap.com/
Get a GitHub account: https://github.com/
or an Adobe ID: https://build.phonegap.com/plans/free-adobeid
For Android get the Android SDK: https://developer.android.com/index.html
And install it: https://developer.android.com/sdk/installing/index.html
(For iOS pay $99, get a developer account, and get xCode: http://developer.apple.com/devcenter/ios/index.action)