Playstation How Do You Get Playstation Trophies, What Games Have Them And When Does Playstation Home Come Out ?

How do you get playstation trophies, what games have them and when does playstation home come out ? - playstation

I have a PS3, but you know do not know much about trophies. I wonder what games are and how to maintain it. When the PlayStation has to leave home and how to get it.