The 'Android' trademark is fairly worthless to the carriers and manufacturers, and they mostly avoid it anyway. They could fork the OS anyway, since it's open s

The 'Android' trademark is fairly worthless to the carriers and manufacturers, and they mostly avoid it anyway. They could fork the OS anyway, since it's open source! What Google could do is be a lot more aggressive with the certification process for their 'Google Experience' apps -- the carriers would at least pay attention if Google threatened to not allow them to distribute their closed-source apps: Marketplace, Maps, Gmail, etc.