It can play 3D games. It can play DS games in 2D. It takes pictures, it has a button that you press that takes you to the 3DS menu while you are in your game and when you press it again. It brings...
If your 3DS is updated then go to system settings, click other settings, then scroll through the pages until you see the "system transfer" button then chose Nintendo 3DS to Nintendo 3DS. However that...