You will definitely have them all after completing Into The Heart Of The Negativitron but you can get more in a DLC
LittleBigPlanet 2 is only for the PS3
No it is only for the PS3 and not for the PSP
no that's like asking if the PSP can play with the PS3 and they have different games
No LittleBigPlanet is a PS3 or a PSP game and is not available in a PC version
nope. littlebigplanet 2 is only for the ps3 people.
From the Playstation Store
on psp and ps3
PS3 Exclusively
Yes
yes
$35
No it is exclusive to the PS3