I've been reading Chinese posts on the network, a lots of people are actually debating whether or not the OS is related to (not solidly based on) Android due to

I've been reading Chinese posts on the network, a lots of people are actually debating whether or not the OS is related to (not solidly based on) Android due to the confusion. I'm personally also not sure about the fact too, because there is no source code to confirm that. Based on my understanding of the copyright law and licenses, in addition to keep the same license, the fork must also display/state the original authors in their copyright declarations. There are also implications on the patent front.