For this tutorial i am using firmware 6.39 and a psp 3001
http://www.sendspace.com/file/5iuxdp then extract The files in
your psp's directory mine is G:\ , if it says overite just click yes it does not delete any of your files. then on your psp click on games and click on the 6.39 pro update your will se a black screen just press X and the psp will reboot ,you can now delete the 6.39 pro update. (from now on click on the fast recovery)
and now click on young thor IN GAME to change the 3D settings keep <start> pressed more than 5 seconds.
Use the arrow up and down to select an entry and use the arrow keys left and right to change the settings.
Press <start> again to leave the menu.
More about the psp 3d plugin and then MANY more games you can play in 3d http://psp.dashhacks.com/file/2035
More about the hack for 6.39 http://psp.dashhacks.com/file/2101
will improve tut later - therulers123456
Edit: this works on Carnivores- Dinosaur Hunter
and a space shooter for 2 bucks.