I think you meen by profile system settings. Go to settings, system settings.
You should be able to specifiy which account it logs into, in the Settings part of the PSP's menu.
Yes, there is a Web Browser for the Sony PSP. It is located under the 'Internet' Menu of the XMB (PSP Menu).
It is XMB, Xross Media Bar. It is the scrollbar with the menu options, on your PSP's 'desktop'.
You mean UMD's Yea? Well you go to games on the psp menu then click on UMD
You access the PSN from the PSP's menu bar.
A profile name is a persons PlayStation Network account Username.
It's on the PSN, you access it from the PSP menu.
You can access the PSN from the PSP's menu, you can purchase games from there and download them to the PSP.
It's not a site as such, you access the PSN from the PSP's menu.
There is no settings button on the psp, the setting are on the main menu.
No, it's that scrollable menu you see when you switch the PSP on, you don't have to pay anything additional to get it, it's part of the firmware.
In iChat, go to the top menu bar. Click "iChat" on the menu bar and then click "Change My Profile".