"The touch screen method of controlling the ship brings this fact out into startling clarity and suddenly your perspective shifts like you've been staring at a poster of messy green and red ducks in a row and suddenly you can see the fricking sailboat for the love of god, YES! FINALLY!" Simon explains why rRootage on the iPhone makes sense. (It does: your finger both controls the ship and obscures it, so your finger _becomes_ the ship, and now you're just guiding your finger through the bullets).