Verified answer

Well, you can either use the basic controls, which are the D-pad and A/B

Or you use the touchscreen to make Mario/Yoshi/Wario/Luigi move plus the A/B buttons

Read the instruction manual, unless you dont have one, and then instead use the options to see the control settings.

You fail at life if you can't figure it out on your own or read your instruction manual (if you got one).

look at the thing called instructions