I’d use this if I upgraded to 2.0. What this is meant to be is an offline website, accessible at all times by your PSP. If you do have an internet connection, there is an assortment of links to help you through the internet without using PSP’s dial-a-key-board, including fast links to e-mail, searches, and online messengers. This is accessible to anybody using the official PSP Firmware 2.00 built-in browser. Link.
One stop portal on the PSP – WinPSPortal