AR means Action Replay for the Nintendo DS
There is no working cheat that gives you 999 heart scales.sorry but i think their still working on it.
you use a USB chord
you have to blow in your ds slot cuz maybe yous slot is full with dust
no and the ar is for the ds
yes
first hold a and b then turn on your ar when the lincence note comes on hold start and select it should stay on for ten seconds then it is reset so you can use it.
no
go to www.codejunkies.com and www.supercheats.com to find out AR Pokemon Diamond/Pearl codes for the DS
A DS is the gaming console that you would use a Action Replay device. A AR is an Action Replay which is a cheat system.
they let you get things and the AR is only for Game Cube,Nintendo DS, Nintendo DSi, and Nintendo DS lite
The AR stands for action replay which is basically a cheat enhancer for the Nintendo DS. It is sold separately (unless you buy a Nintendo DS in a bundle with one, of course).