grand theft auto not work!!!

I download the game grand theft auto china... in europe and us i unzip them and it doesn't work
it's not my fist game i download i have 5 kids and they all play DS.i dont know if i do someting wrong but that game doesn't work please help!!!!
Thank
Isabelle

Check out this thread:
https://www.romulation.org/forum/index.php?topic=14970.0