Haha, I was literally going to write up a post about this in a couple of days! I had just done a playthrough and am in the process of sorting screenshots. xD
It's a really good little city builder. I find it gets boring after a while though. The dragons and the vikings just come on a set timer, you know when to expect them, and it's just a never ending loop. It's a good little timewaster though and I enjoy it for the most part. 🙂
I think the same as your friend <3