The iPhone seems to be capable of doing a lot of things on its own, but there’s rumor of a new device in the making that will increase the iPhone experience even more, and we are talking of course about the gaming experience, which is the most popular feature of the iPhone right now.

It appears that the iPhone might be getting a gaming controller, and we are not talking about the iControlPad, but the JoyPod, developed by manufacturer Belkin. This good looking add-on is said to begin testing in October and to have Apple’s full support (though we still lack confirmation of that).

The JoyPod promises to enhance the gaming experience on Apple’s device (whether it’s the iPhone or iPod Touch), and bring it to its maximum potential. The device has 8 buttons, 6 of which are on the front, offers audio input and dock connector for power and syncing. App Store games will never be easier to play, Belkin says.

Rumors are that Apple is ready to offer SDK support, so that App Store games take full advantage of the controller. Launching such a device would indeed boost the iPhone sales (and the iPhone does need a popularity boost right now).

A game controller is particularly important if we take into consideration the download charts for the App Store, which indicate that games are users’ favorite applications, and this includes both paid and free games.

These figures also came to confirm predictions that the iPhone, among other things, will turn into a major attraction in terms of gaming capabilities. Exploiting that idea even further will certainly contribute to Apple’s goal of selling over 10 million iPhones this year alone.