3) Harmony is made by easyzapper, they are situated in Canada, go to their website ( www.easyzapper.com ).

2) I cannot be certain that express vu is there, but I would be willing to bet on it. (read 3)

1) You can map buttons (so you could turn the play button into guide if you want) but since you have the guide on the remote, I cannot see why you would want to use the one on the TV. Also there is a mode where you have all the commands on the original remote.