Created an updated Android Signal app. Not in the Play Store yet, but available on Github.

https://github.com/dburckh/HDHomeRunSignal/releases

I started down the path of installing Docker, but it seems a little involved for the one-off usage I needed. Here is a quick and dirty solution.
Tune to any channel in any app
Go to this website. http://hdhomerun.local/tuners.html
Select any active tuner
Refresh the page for signal updates ...