The first time, you must connect the headset to a PC and run a specific ADB command (provided by QGO) to grant it necessary permissions, or use a "wireless ADB" tool.
You're looking for information on Quest Games Optimizer APK Portable. Here's what I found: quest games optimizer apk portable
After purchasing QGO on Itch.io, you will receive a download link. Download the QuestGamesOptimizer_X.X.X.apk file to your computer. The first time, you must connect the headset
Utilize "Battery Saving" profiles to extend playtime when needed. The first time
The portable version of the Quest Games Optimizer APK offers the following features:
While initial installation requires a PC (or phone via SideQuest), the application runs completely within the Quest environment for daily use.