You are able to get the installer of mPoS.vn 3.1.20201006-140 for free and read users' reviews on Droid Informer. The app requires Android 4.4 and higher. This application is totally secure for downloading. The tool was originally designed by VIETNAM MPOS TECHNOLOGY JSC and it relates to the Productivity category.
Over 50K users downloaded and installed mPoS.vn and the latest release was on Oct 19, 2020. Google Play shows that the app is rated 4.5 by its users.