Well, so, Spine is a really cool piece of software and even though I'm a student and it was hard to afford even basic Spine (Here in my country -Dominican Republic- 60$ bucks are not easy to get.. Specially if you're a student.), it was awesome working with it. I have a small Blog where I put my works and stuff, and you can check it here:
http://jlrcdevteam.blogspot.com/
If you're only interested in the spine animations, check this game that used spine at its core for everything (rotating parts, movements, animations, etc...)
https://www.youtube.com/watch?v=6dU4JkZjfNQ