Some game companies have already made the statement that the iPhone is the future of gaming.  With the addition of a PowerVR chip to the new iPhone 3GS, we are bound to see more, and better games come to Apple’s hot device.  Here’s an example of a game that will work decently with any version of the iPhone, and any version of the OS 2.0 or higher.It’s called Raving Manor.  Yes, it’s an adventure game. No, it’s not text-based (a la Zork), nor is it as complex as say Myst.  Rather, this game