Thanks for the response.
I had a look at the issue below and it’s exactly the same set of circumstances.
https://github.com//VRExpansionPlugin/issues/5
I’ve followed the same guides to get set up with Android Studio etc. (I even just happen to have reformatted my machine, so nothing random should be hanging around).
I have added the plugin to a fresh project with no references to it at all and I get the same result as my main project, black screen (though I can see my guardian boundary) and logcat ouput appears to pause.
Just for clarity, I’ve tried various combinations of pre-built VRE binaries with official UE4.25.3 binaries or building from source.
I have also tried all of the same things with the Oculus branch of UE4.25.3, everything built from scratch.
I haven’t tried launching the VRE Template, though I suspect I’ll get the same results.