Handy ToolsBy Jim Wu ( Free )
Popular life tools,including Compass,Flashlight,Ruler,Mirror,Magnifier,Stopwatch,Theodolite,Level,Meter above sea level.It can be used for everywhere,everytime,everyone,no only in usual time but also in emergent time.Compass ,indicates the direction when you are losing;Flashlight, illumination or finding something in dark place;Stopwatch.timing ...