(yes, it was involved, use Google to search for previous news.
For example at one point CyanogenInc partnered with MSFT so they have a Microsoft sponsored Android flavour with several Microsoft apps preinstalled. https://cyngn.com/press/cyanogen-announces-strategic-partner... http://www.businessinsider.de/why-microsoft-cuddled-up-to-cy... Now it smells like the "embrace, extend and extinguish" strategy that MSFT is using with great success for decades https://en.wikipedia.org/wiki/Embrace,_extend_and_extinguish
So I hope at one point we will get the full story.)