Useful Augmented Reality
This is a useful way for Augumented Reality Apps. Alo of Ar Apps but the first usful one
Camera integration is useless
The protractor itself is decent (better than a lot of other protractor apps). The camera integration is terrible though; you have to use the live camera feed, and it's impossible to hold your vertex at the right point, hold the phone steady, and drag the angle arm at the same time.