For anyone that missed the initial news back in March -> https://arstechnica.com/gaming/2024/03/playtron-wants-to-go-way-wider-than-steam-with-a-gaming-os-for-core-casuals/
So, to everyone that was already kinda skeptical back then, congratulations, you were right.
I would be surprised if this ever sees a physical release, or even gets past the “concept render” phase.