With Minecraft GPS you'll never get lost while spelunking deep underground in the game Minecraft.
New in 1.1, the compass shows your direction to the selected waypoint.
In normal mode, the white line points in the direction of the waypoint (with the top being the player direction) and the number shows your horizontal distance to the waypoint. The short horizontal white line shows the angle to your waypoint (above or below).
When the number is red you are either directly above or below your waypoint. In this mode the direction line disappears and the short horizontal line shows if the waypoint is above or below you.http://www.minecraftforum.net/viewtopic.php?t=57715