NECTEC is the developer of SQR which can be found in the Educational category. The tool has been downloaded and set up by over 1K users and its latest update was released on Oct 23, 2019. Users rated this application 3.8 on Google Play.
It's free of charge to get the installation package of SQR, also, you can read users' reviews on Droid Informer. The app works fine on Android 6.0 and higher. The app is completely secure for downloading.