neat-log can capture keyboard input. If you named your instance of neat-log app, you'd write
app.input.on('left', function () {})
Make the left/right/up/down arrow keys publish messages that update your player's x/y coordinates.
See if you can figure out how to use the kappa-view-kv's get API to fetch a player's latest x/y position.
Once you solve this exercise continue to exercise 17