App Lab - Oculus Store App
The fact that we can now publish apps provided they meet the various content policies and usage policies is excellent and a massive step forward. I for one will be developing a Quest platform app now that I know I will be able to publish it.
Now, I understand that this idea may be contentious (as you appear to have explicitly refrained from doing this.) But I think there should be an "App Lab" application available on the official store so that well informed users can discover this content easily while understanding that it has not been "verified to meet Quest Store standards."
If you don't have the time or resources to do it. Perhaps the SideQuest folks would consider making one?

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Ginger Blanco commented
I agree, it is rather difficult finding the App Lab on the headset unless you already hang out in the modding and side quest communities. I was browsing the web, and stumbled across a few articles talking about the new developers lab, otherwise I wouldn’t have known about it. The App Lab Needs a direct link in the store or home menu so people know about it.