No it does but you have to do the sync that might come up after you click trophy collection for it to be visible to people who look at it online
Yes, you still get trophies if you download the games online.
Your trophies are sync'd to your online profile, but the only way to store save data online via the PSN is to be a PlayStation Plus member.
Yes by opening a new account and starting over earning trophies and history
Trophies are literally the same as Achievments on the X-Box 360. Although if you go online, other players cannot see your trophies. By the way, the PS3 game with the most PlayStation 3 trophies is definitely Burnout Paradise.
No it does not
Yes it does
PSN is an abbreviation for PlayStation Network, an online network for PlayStation consoles.it is free and you can compete for trophies
If by Trophies you mean the PlayStation console trophies, there are none. Halo 3: ODST is only on the Xbox 360.
To get trophies, you must buy a game that can earn you trophies. When you do a certain something, you will earn a trophy. You can see what trophies are available by inserting your game and clicking on 'trophies' in the 'game' menu an selecting your game.
The Elder Scrolls IV: Oblivion does not have trophies
nope
To check your trophies on PS3 go to Games in the XMB. Near the top of the list there will be a trophies option, select this and submit. If you have an online account your trophies will be synced to or from your account. After the sync(if any) you will be able to see all your games that support trophies, and the trophies you have earned for each one.