Yes. You can use a web browser app like Google Chrome to pull up the chess.com website.
It works well.
I am using it now.
I see, so it's possible on mobile but not the Android app itself. Thank you. I suppose that could be a potential improvement/addition in the future for the app
You can use the Analysis option after a game and play variations and then copy the PGN out for saving else where. However you can't add any annotations or notes.
Is it possible to annotate completed games on the Android app? Unless I'm missing something, it doesn't seem like you can