You need to install it either via the android 'adb' tool or you can install it via SideQuest: https://sidequestvr.com/#/app/431; they also have a tutorial on their page on how to set up your oculus quest for installing external software.
You need to install it either via the android 'adb' tool or you can install it via SideQuest: https://sidequestvr.com/#/app/431; they also have a tutorial on their page on how to set up your oculus quest for installing external software.