Jian Li

Angle Conv

A beautiful, concise Angle conversion tool.This App can convert degree, minute and second value of an angle to many other types of...

November 12, 2014 By Jian Li

Magnetometor

This software is very easy to be used recording the location and geomagnetic element. In the process of marching, you can record the...

October 20, 2014 By Jian Li

Gravimeter

This is the most green gravity and location record tool in the App Store. This App is very easy to be used recording the location....

September 27, 2014 By Jian Li