How do you use a cell phone to control a q-steer R/C car?

I turn on the car, I turn on the infared thing on my cell phone, then what?How do you use a cell phone to control a q-steer R/C car?
Download the Q-steer controller program to your phone. But i think it's only downloadable through Japanese mobile networks. I've been searching that for a long time too





But there's a program for play station portable. You can control q-steer using PSP! But I forgot the website where I found itHow do you use a cell phone to control a q-steer R/C car?
Um,,? Use 2 to go forward,4 for left,6 for right,and 8 to go reverse??? I've really never tried,letalone have one.