yes, the wii and the 3ds have a similar home menu and settings mechanic so yes.
Yes, the Nintendo 3DS can connect to the internet
No you just need an internet connection that will support the 3ds. Just set it up and connect.
No, the Nintendo Wii Mini cannot connect to the internet
Yes
Yes you can as long as you don't connect the internet to the Wii. Simple.
Connect your Wii to the internet ( In Settings ) then go on Wii Shop Channel...
You will have to perform a system update, then yes, it does (as long as you have a wireless connection that the 3DS can connect to).
Yes if you connect it to the internet.
you can most likely do this but not with the usb lead you connect wirelessly
You have to have an internet connection first. Then you get a electical guy to connect a special cord you buy to the wii and the internet connection.
Yes go to wii settings then wii console and go to internet configure your internet settings with the wii then let it update.
Wii connect 24 is a feature on every wii console. Go into the wii system settings under the Internet category and enable wii connect 24. Enabling wii connect 24 however will increase the power consumption of the wii when it is not in use.