Siri, the personal assistant extraordinaire, is one of the hallmark features of the new iPhone 4S. But why oh why can't she be on the old iPhone 4? She's just software! iPhone developer Steven Troughton-Smith thought the same thing but actually managed to port Siri over to the iPhone 4.

His first effort was less polished than the one above but this latest one (in the video above), shows Siri working just as buttery smooth and delicious on the old iPhone 4 as on the 4S. He somehow ported the Siri and specific springboard files over and it loads just fine, you see the complete Siri interface, actions and she can even understand you but... you can't do anything with Siri on an iPhone 4 yet. Apple isn't authenticating Siri commands from an iPhone 4 on its servers so all you get to do is stare at the purple and silver of Siri.

Hopefully, Apple will introduce Siri to more devices (namely the iPhone 4 and iPad 2) because the software is amazing and the hardware can clearly handle it. No excuses Apple. We all want the fun. [9to5Mac via Engadget]