ATAK

https://www.youtube.com/watch?v=PZOkaiSqKaM
https://github.com/meshtastic/ATAK-Plugin/releases/tag/1.0.5
 
How to install :
https://www.youtube.com/watch?v=y6Ah5jQWu4M
How to use :
https://www.youtube.com/watch?v=mb2OBIw-1Oc
CivTAK / ATAK - Community, News, Licensing, Support and Download for TAK / ATAK Tools
The TAK Ecosystem: Military Coordination Goes Open Source | Hackaday