If you're not courageous enough to try and install it yourself (raises hand), there are a few videos available to show off how it plays, and while it is very clearly an early alpha, it does look like fun. Unfortunately, the chances that we'll see it in the App Store are about nil -- Giorgini doesn't even have a Mac, and he's doing it all using the Win toolchain.
Surely someone can get this guy a MacBook and a developer kit, right? Or at least get a port rolling? A year from now, we'll probably all be playing iPhone Spore and laughing at how primitive this looks, but right now, when it comes to running 3D on the iPhone, this is a dungeon we'd love to crawl.