IoT Demo App for Android
The app uses the builtin Esp8266-12 HTTP server to send and receive data using the defined JSON API. This means it can be used to switch on / off the existent LEDs, which will also set the GPIO pins Low / High. The app also allows the configuration of the external WiFi settings, which can be used to connect the Esp8266-12 module to your wireless Router / AP.
If you have never configured the external WiFi in your Esp8266-12 module, you may configure it with this app. First you should connect to the Internal network, which should be something like "AI-THINKER_XXXXX" (default password "ai-thinker") and next go to the WiFi Settings and enter the wireless Router / AP SSID and password. If your wireless Router / AP is configured with WEP authentication you must enter the HEX WEP password.
In some Esp8266-12 modules, the connections for the Red and Green LEDs come swapped from factory. If this is your case, enable the Red / Green LED swap in the app preferences.
Very very bad
I was finally able to test my boards I got from China. Indeed the red and green led are switched. Also small leds 1 and 2 are switched, but can be controlled.
by N####:
I installed the app and connected to a thinker wifi ap on esp8266 board. But when I try to open the settings it simply gives message error receiving response and settings does not open.