There is a bug in Google Play Store search algorithm so that "GammaGuard" can't be found as a search result. Please use the following link to find and download GammaGuard on Play Store. Download GammaGuard
GammaGuard system is a radiation protection system. It includes a range of radiation detectors to fit different needs, as well as a smartphone app, that can connect to any detector and use the phone's camera to act as a detector itself.