Protractor Master description

This app is a must-have app in your smart phone.
You can calculate level, slope, incline, gradient and angle.
It is easy to use.
After shouting photo you can measure the angle of the target.
Move to set three red points to target. Make sure put green fan shape inside of the angle.

Note:
Photos are stored on the SD card in /DCIM/ProtractorFolder/ folder.
You can also see "ProtractorFolder" folder on your basic gallery app.