Android uses a heavily hacked kernel and essentially ignores the standard interfaces for everything it's userland stuff touches. It's also less of a distro than

Android uses a heavily hacked kernel and essentially ignores the standard interfaces for everything it's userland stuff touches. It's also less of a distro than Slackware was -- every update has to be ported to the existing hardware platforms! Google finally wised up and will soon start shipping all the user-facing stuff through the Marketplace instead of tied to a kernel release. ChromeOS is better, it's just a spin of Ubuntu.