In order to use your Google Drive library and deliver G Suite content, you must sign in with a Google Account.
Go to the "Settings" tab:
Click on "Accounts" and the "New Account" button:
Add a name of this account (usually your email address, it will help you find it later) and select Google.
Click "Next" :
After the redirection, choose the account you want to use:
Click on "Allow":
Define access rights. It defines who will be able to use this account to add images or videos on the screens:
Click on "Save"
Your Google account is now set up on DynamicScreen!