you could just go to google and download the ds emulater for psp
A good Emulater website, safe without any viruses will behttp://www.emulator-zone.com/. To get roms (Games) www.coolrom.com
On the internet.
From the related link
If you are playing Pokemon ruby in emulater it might be that different between the eal game and the emulater game.
From the site at the related link
no
Use the guide in the related link
you can only do that on a emulater
use a emulater
No you need a PS2 emuatoe
All DS lite games are the same as the regular Nintendo DS.