The Roblox Open Beta is now available on App Lab. - Oculus Blog
Roblox Open Beta Now Live on App Lab
The open beta for Roblox on App Lab is now available! Users aged 13 and above can now dive into the diverse range of experiences offered by Roblox. For more details, visit the source at Oculus Blog.
Source: https://www.meta.com/blog/quest/roblox-open-beta-app-lab/