LEDfx is used to control WS2812 programmable RGB LEDs using the Arduino WS2812FX library. Pair an ESP8266 microcontroller with Adafruit's popular NeoPixel LEDs and you're ready to create a dazzling light show.
Please note, this Android app is not related to the LED audio reactive computer application LedFx, which you can find here: https://www.ledfx.app/