0 Sony’s PlayStation Phone Captured on Video

We have been hearing quite a lot about Sony’s Android based PSP phone or PlayStation Phone, and have seen many leaked images of this gaming gadget. But, we haven’t seen any significant evident on the Internet to prove that the phone is real.
Now, Engadget has posted a video of Sony’s PlayStation Phone, which shows some guy having fun playing with this gaming device. However, the YouTube video is titled as Sony Ericsson Xperia Play preview, so does that mean the company has changed the name of their upcoming phone?