Stuck with Google router. Is port forwarding impossible?

I have a number of services I'd like to host, and an old laptop with some of them set up and working on my network.

But I currently have a Google router, and the Google home app doesn't seem to let you port forward. The "Port Management" option in Advanced Settings redirects to privacy settings.

There's one port I forwarded before the app broke a few years ago, but I don't suppose it's viable to run multiple services through a single port.

Is there a workaround, or am I stuck until I can get a new router?

Update: After more troubleshooting it seems like this is caused by the more fundamental issue of the app not communicating with the network at all. If anyone has ideas for troubleshooting that problem, advice would be very appreciated.