Unfortunately, no, no such platform exists.

The closest site I’ve seen getting to this was https://github.com/ZorrillosDev/watchit-app but their website seems offline for some reason.

Except tox’s graphical clients aren’t maintained anymore

A Fairphone 3/4 might be your solution, definitely check it out

They said they wanted to support it for more than 5 years but the industry won’t allow it since they stop distributing the components after a few years, but they are gonna support it as far as they can AFAIK.