Basically, Siri's GUI (animation + sounds) are working with iPod Touch 4G.

I don't have any problems with video or facetime... So i don't think you guys should :L Installing Siri on iPod Touch 4G-img_0001.pngInstalling Siri on iPod Touch 4G-img_0003.png

Files + instructions are in here

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This is for the TOUCH 4G, it works with the iPhone 4G but known problems are video recording, video app and facetime not working...

Credits go to PoomSmart for everything