The new model’s CPU performance outperformed the Snapdragon 888, although it did not quite match up to the Snapdragon 8 Gen 1 and Snapdragon 8+, according to the same report from AnTuTu.
I think this is the most impressive part considering that the snapdragon 888 is a 5nm chip. I guess the kirin 9000s is made with SMIC n+2 process or something even more advance.
Google owns it, as in Google gets the last say in what goes into mainline AOSP code. The code is open source but they decide what next Android release is going to be. You can submit a PR, they decide if it gets merged or not.
If anyone wants to make independent modifications over it, they can fork it, because the license permits it. Now the fork is not owned by Google. But Google owns the main android repository.
Nothing prevents anyone from forking it.