價格：免費
更新日期：2016-10-07
檔案大小：1.3M
目前版本：1.1
版本需求：Android 4.0.3 以上版本
官方網站：http://www.jakob-wankel.de
Email：jw@envire.de
This applications calculates the current speed based on the GPS signal. Use this to check the speed while traveling in a vehicle which is not equipped with a tachometer, or if you want to cross-check the shown speed. The speed is calculated based on the derivation of the position
