[3836293648]

Just the kernel is linux, but isn't basically all of the hardware support we need in the kernel?

Sure, we're still out of luck with trying to run mainline kernels, but what's stopping us from running normal GNU userland on top of a working Android kernel?

[yjftsjthsd-h]

Not all the hardware support is internal for Android devices, but yes you're basically asking for https://en.wikipedia.org/wiki/Hybris_(software)