I personally don’t think it’s correct that google are allowed to essentially give their OS away for freeExcept the product isn't offered for free. Google's control of android comes from licensing Google Play Services and the Android brand. Different companies producing an android fork isn't a competition problem. Every company except Apple putting Google Play Services on top of their own android fork is anticompetitive.
Because it stops a legitimate competitor from emerging against two companies
Unless your in china
And it also means that they a have monopoly on search because of it
At the moment only in china are they not number 1
However I believe the US government are trying to challenge them I believe
Because it makes the smartphone industry for consumers as a consequence