I'm to lazy to see if there's another thread like this- so if there is I apologise.
However, for christmas my sister got the most interesting device called Cyclo DS evolution, it plays music amongst other things,
like DS Roms off the computer.
It unnerved me that she got Chrono trigger on her DS in a blink of an eye with this thing.
I don't know if hacking chrono trigger for the DS is possible (because i'm not done with Chrono trigger DS and don't come to this part of the site because i'm avoiding spoilers) if it isn't, i'm sure it soon will be, and if and when (if it already hasn't been done) a chrono trigger DS rom is hacked and put on this lovely site, one who owned a Cyclo Ds Evolution could grab it and play the hacked version on a Nintendo DS.
However, I plead that you buy Chrono trigger DS, before touching a chrono trigger DS rom.
More information about the Cyclo DS Evolution here:
http://www.gameboy-advance.net/ds-lite/cyclods.htmAs an interesting side note:
I did try the SNES Roms in it, and it hasn't worked for me, but that doesn't mean there isn't a way though.