iOS has had widget support for nearly three years now and Google has had the Calendar app on iOS for even longer. You'd think that in all this time Google would have made a widget for the app but you'd be wrong. Well, not anymore. In the latest update of the app, Google has finally added support for widgets. You can now add the Calendar widget and it will show you the first few entries in your calendar and you can tap Show More to see the full size widget with more entries. Alternatively, you can also 3D touch the Google Calendar icon on select iPhones and get the new...
Source: http://www.gsmarena.com/google_calendar_app_for_ios_finally_gets_a_widget-news-26088.php