Multiplayer problem

[the master$$$]

Ok guys i got Xml2 today and me and my sister wanted to play on the multiplayer mod(using the joypad that we use for mua)But once we start the game i put two players.The joypad had the green light(meaning that it works),but when i put the second player it doesnt work,the 2nd pl just stands there.How do i make work the joypad,is it the settings and if yes-where?I definetly  dont find them in the options menu.PLEASE HELP!!!I dont want to continue the game on solo(cause it would be boring)