You're wrong.
http://www.windowsphone.com/en-US/how-to/wp8/basics/windows-...
> Maybe its something the Android Team needs to look into.
How Windows Phone updates actually work is exactly the same as how Android updates work: the OS is updated, and these days, the apps (even Google's) are broken out into separate updates. Google was doing this before Microsoft, so Google would not need to learn anything from Microsoft, in this regard.