This font is free for anything you'd like to do with it, commercial or not. No need to ask -- just enjoy.
This font has been used in many different places. I love to see what people do with it. If you make something especially great, send me a copy or a link!
You can find some of my other fonts on the Page of Fontery:
http://goodreasonblog.blogspot.com.au/p/fontery.html