OpenMoko had that more than a decade ago, there were a multitude of distros. I ran Debian with X11 and Enlightenment on it at one point. QtMoko was probably the

OpenMoko had that more than a decade ago, there were a multitude of distros. I ran Debian with X11 and Enlightenment on it at one point. QtMoko was probably the best one for the Freerunner hardware though, much more suited to the small touchscreen.