== First you need to install firmware onto your MicroSD Card.
If you have the official R4DS, this comes in a CD.
If not, you will need to go to the manufacturer's website to download their custom firmware. Usually you just copy a "_DS_MENU.dat" file and a folder to the root of your MicroSD Card.
huh? the R4DS is for the Nintendo DS.
no, but there is no need to, the R4DS has a built in Action Replay.
No it is illegal
Yes the r4ds boots up game boy games into ds mode.
super Mario and Mario cart and few other but get first
the question is a bit vague: The best model for R4DS: The original R4DS (not pro, not ultra, not SDHC, not R4i etc.) The best kernel version: v1.18 (Released 24th April 2008) www.r4ds.cn
no
no it is not illegal
The official R4DS comes with a CD with everything you need on it. Unofficial ones do not come with a CD, so you will need to find out which website you need to go to for the downloads. You can check the website from any packaging your R4DS came with.
NO !!!!!!!!!!!!!!!
r4ds.cn
It will work if you decrypt the file, but it is easier to use the R4DS cheat editor: http://www.r4ds.cn/download/Cheat_code_editor.html