You would never know or even have the iPhone gaming accessories such as joysticks that stay affixed to the LCD screen. Yes, in order of gaming accessories is to add experience to play the game on the iPhone. Well, there are cooler again in Kickstarter project there is a creator who makes a gamepad for the iPhone is more sophisticated and functional, namely the Bladepad.
The creator does not explain in detail what the game can be played with Bladepad. But with a gamepad that has dual analog stick, it is clear will add addiction play. The Bladepad use bluetooth to connect to the iPhone. Want to get it? Kickstarter go directly to the page.