Your graphics card does not seem to support WebGL
Find out how to get it here
Controls:
WASD move,
R|F up | down,
Q|E roll,
up|down pitch,
left|right yaw
shift speed up space/esc toggle mouse controls T Teleport to next object
Scroll to increase/decrease your field of view.
Point your device around you to look around.
Touch the screen to move forwards. Use two fingers to go faster.