Following a report earlier this month that Apple’s recent new iOS 5.0.1 release made porting Siri to older devices legal, JailbreakNation reports that developers are now working on “i4Siri” – a legal Siri port for the iPhone 4.
Besides the iPhone 4, the port could also bring Siri to the iPod touch and other devices running iOS 4, and uses a combination of jailbreak tweaks and utilities to function.
The two main developers working on the project (@MrAjsTech and @leftyflip) have posted the following video teaser in anticipation of a release in the near future:
For more information, check out the official i4Siri website.