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You can actually connect your Google Drive to the JotForm app, it allows you to automatically integrate the new form to Google Drive.
Here's that app: https://apps.jotform.com/app/google_drive_app
If you are looking to automatically integrate ALL of your existing forms to Google Drive in just one click or one a single step process, then it is not possible. You need to manually integrate each form to establish a connection on them.
I hope that helps.