PDA "Compass" is an Android application - a free interactive system for LARPG (live action role-playing games) in the stalker-strike setting.
main site (en)
main russian open community (rus)
developers russian closed commutiny (rus)
gamemasters guide (en)
hardware examples (rus)
demo app in Play Market (en)
https://github.com/PDA-Compass/compas-app
great thanks for open sources to https://vk.com/afterday.project the person who created PDA Compass project and shared it with community