Problem maintaining audio stream from core device to one Android endpoint

[grossmsj (Scott G)]

Hi Robert,
Welcome to the Roon Community.
I’m just a Roon user, so my word is not official. But there is this thread on the forum that has a fairly recent update.

LG V30 Andoid app - Clicks and gaps

Yes, we are doing a complete overhaul of Android audio playback right now, following the Android infrastructure changes we made in our last release We also have one of these LG phones in house, so we should be able to test the changes against these phones once that work is complete. I don’t have an exact timeline for when these changes will be finished, and tested, and released, but we are actively working to improve playback on Android now, so expect some real improvements in this area in the…

Roon is normally quite capable of streaming high resolution files to supported endpoints. But there may be an underlying issue with this Android interface.
FWIW, I have a Galaxy S8 with Android 9. I just set it up in Roon and it can receive a stream from my core OK. Probably won’t make you feel any better, but information anyway.