insert the ar in the ds take the ar out (do not turn of the game) put the desired game you wish to hack in the ds there is an option that says add new code select that and name it then add the code after that it will appear in the code list
yes
you use a USB chord
go to www.codejunkies.com and www.supercheats.com to find out AR Pokemon Diamond/Pearl codes for the DS
No there are not yet.
yes
Um I don't but if you buy AR DS theres lots of codes like playing as peach or bowser if that's what your talking about
You need a DS Toolkit.
There are a million of them, look them up at codejunkies.com
You need the Trainer Toolkit.
You need to have an action replay device.
621342342343334242e4e3242342342300000000000000000000000000000000000000000
Most likely yes considering dsi plays the same ds games as a normal ds so they;d probably have the same codes. if not then idk why....it'd be stupid to change them in a way