Use APKPure App
Get RGB controller old version APK for Android
Control your RGB Led strip using your smartphone
By using this app your can control RGB Led strip such as WS2812b ,WS2812,WS2811 5050 RGB.
And this app is manily designed for working of FastLED codes.
Control the color of your RGB LEDs .
Use this app has a remote to control RGB led strip on the Ardunio through Bluetooth Module(HC-05,HC-06) and NodeMCU