no
The dsi headset is the same as the DS/DS lite headset. It is purchasable at Toys R Us.
Yes, the Nintendo DS lite can play DSi games
Nintendo dsyes it does
yes
No, the Nintendo DS lite charger is not the same as the Nintendo DSi charger
Yes It works on the DS Lite, DSi, and 3DS.
yes action replay dsi will work on ds and ds lite. however, action replay ds will not work on dsi. :-)
No.
no, the DSi does not have the game boy slot that the DS/DS lite have
Yes
Nintendogs + cats will only work for the 3ds. It will not work with the ds, ds lite, dsi, or dsi xl.
No, the dsi charger plug in on the dsi is a rectangle when the ds is a line its to long it will not fit