Transform your mobile device in a set-square with Right Angle. Through your camera, this app identifies a 90° angle between any two lines, creates a target and holds your screen. All you need is position the mark over the object you want to identify the 90° angle. Right Amgle is OpenCV based, it's an Intel Library for image processing and fully safe for you.
The antivirus report has confirmed that the app is completely safe for usage. Eng Cross is the creator of Right Angle that refers to the Tools category. The latest update of the app was launched on Jul 26, 2014 and this application was downloaded by over 10K users.
The overall rating for Right Angle is 3.6 on Google Play. Ads are a part of this application. Download the .apk installer of Right Angle 2.0.3 that is provided for free and have a look at users' reviews on Droid Informer. The file size is 4 MB and the app is developed for Android 2.2 and higher.