As someone who has long been saying that Android is far from open, I thought this was interesting. Putting my flamesuit on haha, but it pretty much touches on everything I've ever said about the "openness" of Android in the past including how Google controls everything that goes into Android, how they don't release source code until they are ready, and how community collaboration is nonexistent (regardless of their "submit a bug and we'll put it into the newest version" claim):
Study: Android is least open of open source mobile platforms
Study: Android is least open of open source mobile platforms