No.
You can redeem club nintendo points for DSi/Wii points, yes.
no
The dsi company...
no
i am not farmiliar with star points but i am a member of club Nintendo and i have a dsi but if star points are what i think they are then no you cant
Buy a Nintendo points card
You can download games on the dsi shop with them
Yes, you will get a free 1000 Nintendo dsi points when you buy your new dsi. There is some dsiware for free (0 points), some dsiware for 200 points, some dsiware for 500 points and some dsiware for 800 or more points.
Club Nintendo coins are only used to redeem gifts and are not the same as DSi points so it cannot be converted.
No
Yes. With a Nintendo Dsi points card. You can get them at stores such as Target, Walgreens, etc.
Club Nintendo coins cannot be used to purchase software in the Nintendo DSi shop nor can it be used to purchase DSi points.