Siri may come to Apple iPhone 4

IPhone 4S  undoubtedly touched the hearts of many users, new voice Assistant Siri seems more powerful to make people crazy for apple fans. the previously news reported that siri can be used only on iPhone 4S and not for other iOS to transplant this function, but this morning, something seems to be changed, GreenPois0n_JB  has just announced in Twitter that the iPhone4 can support Siri voice Assistant.
Quote from Twitter:

This message is   released earlier today from iH8sn0w, Siri not only supports A5 processor devices. IH8sn0w also attempts to activate Siri on the iPod touch4. does this means that Siri on the iPhone4 are on the way?  do you intend to upgrade to iPhone 4S?