I want to sync with Google Calendar / How to add an account

You can add Google Calendar from the settings on your device. Please follow the steps below to add your desired Google Calendar.

How to Add Google Calendar

1. Open the "Settings" app on your device.
2. Tap on "Accounts" under the "Calendar" section.
3. Tap "Add Account" at the bottom and select "Google."
4. Log in with the Google account you want to use and turn on the calendar option.
5. In the Simple Calendar app's settings, display the "Show/Hide Calendars."
6. Turn on the display for the Google Calendar you added.