It would be actually nice to see some Harmattan stuff ported. I am a bit disappointed by the native applications support at the moment. I knew that there would not be much but it seems that there is virtually none. I remember that one year ago (I think it was during Slush) when Jolla guys shared stage with some Rovio people they were asked "will it run Angry Birds?" and the answer was "Angry Birds already runs on MeeGo". And also some of the Jolla guys mentioned on some interview that they were contacting commercial devs and discussing about porting stuff and the message from companies was that "Oh, we already have that for MeeGo". OK, nothing was ever promised but I definately had higher hopes for the native (and even commercial) software support.
There is no such thing as a jPhone. It's Jolla or Jolla phone if you want but jPhone? That doesn't exist.