Nexus 4 - strange resolution

Hey, I just thought about this. The Nexus 4 has 1280 by 768 4.7 inch display. Everything seems good.. but what is this strange resolution? I know some might say there are software buttons etc. But if we do the math something doesn't seem so right. If you take out the bottom row where the buttons are, we are subtracting from the longer side (1280p) So the width stays the same - 768, but the height is less than 1280. If Google wants to keep the 16/9 aspect ratio we will have this => 16/9=x/768 => x=4096/3 which is more than 1280. I don't know how it'll scale apps with this strange resolution. What do you think?