Following the explanation of the set up, Obi-Wan placed his hand on his chin thoughtfully and looked over the cards. It made sense, in a rather rudimentary way, but he was able to follow what he had in mind.

"I'm not much either," the Jedi then admitted. "But if I'm not mistaken, you do need two people to play."

Is he offering to play? Yes, yes he is. Perhaps they both could use the distraction.