Mariokart DS does not have a cheat menu.
Nope
The only cheats are activated with an Action Replay.
you cant i think
There is a Mario cheat book available for every console. In that book one can find hints and cheats for every Mario game including the Mario Kart for DS.
I don't think so
yes
get action replay
Go to Records from the main menu.
learn how to play so you dont need to cheat?
no, but it might be possible to hack it im not too sure though you can go on any cheat website that gives you Mario kart ds cheats for example: supercheats.com gamefaqs.com ign.com/mariokartdscheats and many more.
Yes there is Mario kart for ds. It is called Mario Kart DS. You should buy it immediately.
Mario Kart DS happened in 2005.