Falcon
Falcon is a Web App that run well across mutiple devices.
The main objective of Falcon is to create a easy way to share your location among a group of people.
To create or join a group, you just have enter the name of group on login screen, if it exists, you will join, else, you will create it.
On right side of app, there are two tools, the first one is to change symbol color, user name or group and other one is to toogle legend board.