Watch My Jams

Uses haptics (vibrations) to assist HoH roller derby skaters

This Wear OS app is designed to assist Hard of Hearing (HoH) skaters to tell when roller derby jams start and stop.

For example when a jam is called, the device will buzz-buzz-buzz-buzz x3; rolling whistles are "haptic'd" via a single 1s long buzz. Lead is indicated via 2 buzzes, while intermission start / end is indicated with a single 10 second buzz.

Note that to facilitate the use of the watch's vibration device, this app must stay active and also disables the screensaver while running.