sim city creator doesn't work

hi all,i want to know if somebody has The same problem as i have.
if i download simcity creator and put it on my DS it doesn't work. it says system failed. please reset.
I've try-ed several downloads but it still doesn't work.
what am i doing wrong?can somebody help me to fix this problem?greetings a dutch girlp.s: my DS is from america.

Update your flashcart's firmware by going to http://www.linfoxdomain.com/ds/.