LocalPrint allows you to print from your Android device without using any kind of cloud service! All data stays within your local network all the time. For technical reasons, this app can't work on all printers (see below). If your printer is not supported, a bad review doesn't make much sense. On Android versions > 4.
The antivirus report shows that the app is safe. Zenofx.com is the creator of LocalPrint which relates to the Productivity category. The most recent update of this application was launched on Sep 19, 2017 and the tool has been installed by over 50K users.