People using also Android for GUI/experience. Google controls the Android system. They have a large say how Android Apps should look like and are consisted of.
At 2018, talking about yet another Mobile OS beyond Android/iOS is just pure nonsensical fantasy. The game is over, if Google going to charge Android, the manufacturers will not be happy, but they will pay and pass the cost to consumers.
At 2018, talking about yet another Mobile OS beyond Android/iOS is just pure nonsensical fantasy. The game is over, if Google going to charge Android, the manufacturers will not be happy, but they will pay and pass the cost to consumers.