He smiles a little. That's good news, after all, and something he is certain that is a relief for Mako "I'm glad to hear that. I hope your world can finally be at peace now that the breach has been closed."

Kaneki doesn't understand a thin about mecha figurines, but if they have AIs in them, people probably love them. "Fans must love those things." sadly, Kaneki doesn't have any sort of hobby that involves collecting figures or anything of the sort, so it's not as exciting for him.