Though an entire essay could be written on the subject of Phil Hassey’s Galcon, one of the earliest really good games for the iPhone and iPod touch, we’re not going to do that today. Instead, we’re going to point to just a few things that are really interesting about where Galcon sits today at version 1.7, priced at $3, versus where it was when we reviewed it back in August of 2008 when it debuted for $10. Galcon retains the simple…