Well, no one liked going hungry -- at least no one that was in their right mind, anyway. So John was happy enough to help in that regard. He tilted his head in acknowledgement to the thanks, because he wasn't one to make a big deal of these sorts of things.
"Ah," he said of the phone. Because, well, that made sense that he didn't know, didn't it? This kid wasn't exactly dressed like he was from this century. "It's a cellphone. You turn it on with the button on the side -- and can read the menus to find what you're looking for. Use it to talk to people. Play around with it enough and it's self explanatory."