If all what you want is to show a calendar in the screen then you can use the Web Viewer to show the Google calendar of your choice.
Such as this
In the URL of the Web Viewer use this:
https://calendar.google.com/calendar/embed?src={{email address}}%40gmail.com&ctz={{region}}%2F{{country}}
Example:
https://calendar.google.com/calendar/embed?src=myemail%40gmail.com&ctz=Asia%2FOman