I love how they decided to sell a new Mortal Kombat arcade collection instead of removing GFWL and reinstating the older one. /s

Nice, you're qualified to help Randall Munroe write his books.

In 2013 a friend and I created an SDK for building games with GNOME's Vala (that transpires to C with GLib), SDL2 and Chipmunk physics for Android, Linux, and Windows (all within the same codebase).

It worked flawless, I even ported a XNA example. It may be useful for someone today: https://github.com/avalanche-games/avalanche/wiki/Getting-St...