I thought you guys were following this as close as me. :x
The info has been available since the announcement of the service that the current state of affairs is that it's very much manual right now.
So you can 'launch the game' right now as in booting it up the normal way from within Home but there's no current hooks that will place you in a specific server or multiplayer game. They are however working on getting that aspect up:
Basically it seems like the hooks for that will be there in time for launch in October. Just not the Beta from day one.
The info has been available since the announcement of the service that the current state of affairs is that it's very much manual right now.
Q: Can you enter, say, MotorStorm quickly through Home without
having to travel to the specific MotorStorm lobby?
A: Currently, users can find each other in Home, and then arrange to go
off and play MotorStorm at the same time. Eventually, users will be
able to meet in Home and seamlessly launch into a game of
MotorStorm. Similarly, users will be able to exit to Home directly from
the game.
So you can 'launch the game' right now as in booting it up the normal way from within Home but there's no current hooks that will place you in a specific server or multiplayer game. They are however working on getting that aspect up:
Q: Will there be additional TRCs for games plugging into Home? When
will these TRCs be released?
There will have to be base TRCs for Trophies and Matchmaking before the
service hits the XMB. Others will come online as they are needed.
Basically it seems like the hooks for that will be there in time for launch in October. Just not the Beta from day one.