Use APKPure App
Get ESP8266 RGB Light old version APK for Android
무선 랜을 통해 ESP8266 미니 모듈이 응용 프로그램 제어 RGB 빛.
First upgrade your module modified sdk 0.9.4 light demo firmware on the web link.
and Android connected the AP.
This app control the gpio rgb pwm output through wifi.
Frequency control is not working.(Firmware issue.)