It is for 3DS, not DS or DSi.
Did you mean New Super Mario Bros.? Yoshi isn't in that, but he is playable in Super Mario 64 DS, and you can ride him in New Super Mario Bros. Wii!
You can't get Wario on New Super Mario Bros DS.
No. Because technically, New super Mario bros wii is new super Mario bros 2 but there won't be one for DS.
Many people think that you can be Yoshi in New Super Mario Bros. DS, but you cant.
If you are talking about New Super Mario Bros. for the DS, then you can't play as Toad, only Mario and Luigi.
you can not play as Yoshi in new super Mario bros DS
No
Ya bros is brothers but in short version
World 9 does not exist in New Super Mario Bros. DS
You can't be Waluigi on New Super Mario Bros.
You cannot play as Bowser in New Super Mario Bros. on the Nintendo DS.
No.