In addition to get Siri fully functional, they took it one step further: by making it run on both the iPhone 4 and iPod Touch. Unfortunately there’s some bad news to go along with the good news: the developers won’t be releasing this hacked version of Siri to the public – they were only interested in making it work. The app also requires files and a validation token from the iPhone 4S which will probably get the developers in trouble if they distributed it as well.
Well, all hope is not lost, eventually some other developers will get the job done but in the meantime check out demonstration videos of Siri working on the iPhone 4 and 4th generation iPod Touch: