for the user, sMessenger comes in the form of an app that can be installed on an Android phone:
sMessenger has some build-in functions to verify to help you properly secure your phone. However, make sure to read and understand the information you find in "Security" and "Threat Model" on this website.
this is a good option for people who have a reasonable working knowledge of Android, how to install an app on Android and how to properly secure a phone:
If you are uncertain how to install sMessenger or how to configure your phone, we can deliver a phone with sMessenger preinstalled on it:
sMessenger is a flexible system. If You have special needs, please let us know and we will help you the best we can.
Some special needs might be: