Demo small: https://youtu.be/2sSqlNy01rU
Unity 2019.4.20f1 Android Build Support module Android SDK
Obs: Does can be downloaded in Unity Hub
In Edit > Project Settings > XR Plug-in Management select the Oculus option, can be the OpenXR too, but the Oculus what we use.
In File > Build Settings select the Android option and click in Switch Platform.
Then, there will be a button called Build And Run, click in it and wait the build finish.
Alternatively, you can click in Build and select a folder to save the build.
We have two different APK files for you to test alongside two demo videos on this google drive: https://drive.google.com/drive/folders/1BCH9RTFXMm60NZ5T2F5F9g2AQFXBRLBu?usp=drive_link