need guide to playing as Goro in MK9

Answer 1

GORO is NOT a playable character.......

Answer 2

He's listed as a character, however, you currently can not play as Goro (as far as anyone knows).

Perhaps he will be DLC or unlockable at a later time, it's quite possible that he is a secret unlockable character, but that would be wishing for a lot.

As of now, Goro is just a boss.