Type your shout above. Afterwards, enter the game you wish to shout about to the left. By selecting a game you're more likely to get a response to what you need. You can choose not to enter a specific game if you'd like.
ex. I'm stuck in a room with a box and a gnome. How do I get out?
See those words there? The ones that say "Hideo Kojima"? Those mean this game is awesome. This is the first PSP iteration of MGS to have his involvement...and boy, did he ever. This is an excellent game, and one that it's worth it to buy a PSP for.