【實用工具app】Compass|最夯免費app-綠色工廠好玩App

Compass will help you determine the direction. You can use it for all your outdoor activities whether you are flying, sailing, travelling or camping. Compass is a must have application for people doing outdoor activities. A spirit level. Hold any of the phone's four sides against an object to test it for level or plumb, or lay it down on a flat surface for a 360° level.