The object which passed the virtual line is perceived and alarm is sounded. Please trace a screen top and pull a virtual line. Sensitivity can set up five steps. When perceiving, it sounds with pi. Surveillance can be started from a menu. Since a virtual line is freely over, it can also be surrounded with a circle etc.
Makinosoft has designed this application that falls into the Tools category. The app has been downloaded and set up by over 100 users and the most recent release is dated Dec 3, 2017. Users rated Watch 4.7 on Google Play.
There are adverts in this application. Get the installation package of Watch 1.7 for free and have a look at users' reviews on Droid Informer. The app works flawlessly on Android 2.3.3 and above. It's safe to download the app.