【實用交通運輸app】Compass for 3G (not 3GS), NoAds|最夯免費app-綠色工廠好玩App

Please use a free version previously. There is no difference for the function. When this application is bought if it liked a free version, it is glad. This is a version without the advertisement. Therefore, the starts are earlier than free things. My best regards. ##This is a compass application for iPhone 3G. The electronic compass is needless. This application uses GPS. 1. stop walking. touch the start button.2. Please walk straight . The compass begins to move. The more it walks, the more accurate it becomes. 3. if you became tired, stop walking. touch the stop button.It can know azimuthal (direction) by only these three steps. new function! 1.The color of the character can be changed. 2.The color of the background can be changed. There is an error margin depending on the accuracy of GPS. Please acknowledge it beforehand.