Controllium is an app that enables you to control you ESP8266 projects using your Android device. You can send data from the ESP to the app and vice-versa using wifi. You can control as many ESPs as you want with this app.
Save and manage controllers configuration.
The library to be used on the Arduino IDE (C++) can be downloaded here: https://github.com/artur31415/Synapse/tree/master/Controllium