Press the up arrow key to go forwards, and the down arrow key to reverse. Press the left and right arrow keys to turn.
I did most of this with the tutorial here: https://www.youtube.com/watch?v=mIAzYvOns04&list=PLYXukbXFJeKv8RsZfsdaqckhTPgLKx7Z5 But I did the compass, timer, and boat select screen by myself.
