The app is completely secure for downloading. SN.4 was originally designed by Fred Adzieren and it is listed among the Educational category. The overall score for the tool is 4.9 on Google Play.
The most recent release was on Jun 28, 2017 and this application was downloaded and installed by over 1K users. Get the setup package of SN.4 1.0.5 that is free and read users' reviews on Droid Informer. The app is designed for Android 4.1 and higher.