R4について

友人からR4のことを教えてくださいと頼まれたので。
調べてたところ。。 

 how  to using r4 card on ds-lite

●step1：
Buy a R4card on line
http://www.volumerate.com/details.vr/sku.19236
Q:what's  R4 card?
A:It's specailly card for run free game or music  on DS-Lite

●step2：
Also need  a memory card (micro SD)
http://www.volumerate.com/details.vr/sku.60016
Q:why it need a memory card
A:R4card not including  memory card.
   Downloaded  data for  save at the memory card

●step3:
Download the most lastest R4 system  on line.
http://www.r4ds.com.cn/download/r4ds.html

●step4:
Find what the game and download it on line
http://hi.92wy.com/nds_0_0_11_0_0.html

●step5:
after downloaded the game , Extract it and rename on PC
ex.00023.nds  change to  DATA.nds
after rename  it  put the DATA.nds on micro SD  and start your DS-lite

that all.