This is intended for groups which are out of cell coverage, eg. camping/hiking, and wish to use SMS-like communications. This app is used in conjunction with a DIY LoRa radio module. Full instructions on how to assemble these are here: https://www.instructables.com/id/LoRa-Mesh-Radio -Or here- https://www.hackster.io/scottpowell69/ttgo-lora-mesh-chat-device-37913c The radios use ECC encryption, so your conversations are completely safe from prying eyes. You can also easily send your GPS locati