Short answer, no.
Some MMOs do use cross platform multi-player but if you are playing your basic Call of Duty than probably not.
Chat with our AI personalities
no it can only play with other PSP
If u have online, then u should have multiplayer on minecraft
Have a game with Multiplayer, an online connection and be signed into PlayStation network is a good start
No you can't play multiplayer offline only single player. But you can play it online with other online players.
No. 100% sure.