When Apple ha announced iOS 7 features then every one was amazed with new UI and feature, one of the feature was now iOS 7 can support external game controller.
Back in June when this OS was announced we had seen a prototype Logitech game controller for iOS devices and now famous leakster @evleaks has leaked an press rendered image of Logitech gamepad for iPhone.
As per image this gamepad is more like a case for iPhone and had physical D-pad, four control buttons along with shoulder buttons. Till now its not clear whether this will work via Bluetooth or via lightning connector.
But this gamepad misses triggers and joysticks which we can see in most of the game controllers. Such a product was not possible before iOS 7.
It seems that such game controller can be very useful and popular as in iPhone 5SApple has introduced A7 chip which can support 64 Bit apps, and also bumped GPU by twice as compared with iPhone 5.