The OAuth helper addon is a paid addon that can be purchased from here: https://simplecalendar.io/downloads/oauth-helper/ .

It provides a simplified authentication process with Google Oauth instead of carrying out the cumbersome Google authentication process here.

Some of the advantages that the addon provides include:

  1. It save you time required in carrying out the lengthy Google authentication process. This enables you to quickly setup your calendars.
  2. Provides a secure integration that leverages on Google OAuth
  3. Instant calendar access upon authentication
  4. No regular OAuth expiry

Requirements

The Oauth Helper addon requires the following plugins be installed within your website:

  1. Simple Calendar (Free)
  2. Google Calendar Pro (Paid)