yes
it can be but the ds lite is a much more popular ds so in my opinion i would by the ds liteWell, the Nintendo ds is equivalent to a lite, the lite is more popular but now the Nintendo ds is rare so currently it is more expensive!
Yes, you can use ds lite games in the original Nintendo ds. They are not making new specialized games for the Nintendo ds lite. they are still making games that fit both the original DS and the Nintendo DS Lite.
You cannot download games to your DS lite.
The DSI has a whole bunch of new features, flipnote studio, sounds, camera (etc.), it has almost everything a DS lite has except for the game boy slot thingy, the dsi doesnt have that. But it has everything else
You canNOT download games on your Ds Lite, Sorry :*(
The DS Lite has sold a lot more than the PSP overall, but it's a matter of what you want, the PSP has much better graphics and controls, but the DS has 2 screens, a touchscreen and is cheaper.
Nothing really they are almost exactly the sme but DS lite has brighter lights and it can play Game Boy Games
Yes, the NDS lite can play all DS games
Yes, DS games are region free.
Yes you can there is no such thing as a DS lite game they are all just DS games.
Yes you can play Nintendo DS games on a Nintendo ds lite.
The DS Lite uses all of the same games as the DS. But the DS Lite has a different (smaller) power cord connector.