You can download the My Scottish Golf App, free of charge, from the following 2 areas:
iPhone:
Android:
Activating your account:
When the download is complete you need to activate you account and that can be done at: https://www.scottishgolf.org/signup
You will then be able to login to the App using your ten digit Membership Number (previously named CDH) and your password (created when activating your account).