Definition of "wanna"

'Pair of shoes for you at last.' I picked one up. It was weathered, with a split heel and no laces. 'Too big for me,' I said, dropping it back to the floor. 'Wanna look at the Germans, like?' said Ade, standing. 'Proper, like? Come on. […]

2017 January 31, Emma Kennedy, Shoes for Anthony: A Novel‎, Macmillan, page 115