I am pretty sure that Google's agenda was simply one of trying to ensure that the maximum number of mobile devices had unfettered access to the Internet - which

I am pretty sure that Google's agenda was simply one of trying to ensure that the maximum number of mobile devices had unfettered access to the Internet - which is where they make their advertising dollars. If that meant building the new "windows" (but for mobile not desktop) then they are more than happy to pay the price.