Android is not distro, it is a fork. In similar way they could build a new os based on linux but the work compared to just replacing UI is massive and maintenan

Android is not distro, it is a fork. In similar way they could build a new os based on linux but the work compared to just replacing UI is massive and maintenance is absolutely not something you want to do if you just want to replace ui. http://arstechnica.com/gadgets/2009/02/an-introduction-to-google-android-for-developers/ http://arstechnica.com/gadgets/2009/02/an-introduction-to-go...