There's not much functionality to the "Warhawk" application yet, and it's only designed for use on the iPhone and iPod Touch. You can view it through a browser just fine, though. The application is a little limited, however, because Sony doesn't have a community outreach program yet.
"Third party game publishers don't have access to PSN friends list information on the platform right now," said 1337pwn founder Det Ansinn.
"It's tough to predict when that might change. Given some of their initiatives like Home and the new PlayStation store, I would not be surprised to see them working in that direction."