"Add code to the theme where you want to show Facebook Reviews." - This makes no sense to someone who is not familiar with writing codes. I'm getting really frustrated with this app.
I understand your frustration, and I sincerely apologize for any inconvenience we have caused you. Even this review was few years ago, we would like to be sure that we did contact to support you as soon as we receive the information.
If you need any further assistance, please let us know.