Protractor is a simple and useful Firefox OS app that allows you to measure angles of objects.
- To see how the app can be used take a look at this post: http://arasbm.com/portfolio/web/protractor/
- To see how the app is built, take a look at this post: http://arasbm.com/developing-protractor/
Feel free to open issues to report bugs or request features. Pull requests will be highly appreciated!