RemoteXY is easy way to make and use a mobile graphical user interface for controller boards. Using the graphical interface editor located at https://remotexy.com , you can make your own unique GUI and upload it into the board. Using this app you will be able to connect to the board and and control it through a graphical interface. 
Supported connection methods:
  - Internet over Cloud Server;
  - WiFi client and access point;
  - Bluetooth;
  - Ethernet by IP or URL;
  - USB OTG;
Supported boards:
  - Arduino UNO, MEGA, Leonardo, Pro Mini, Nano, MICRO and compatible AVR boards;
  - ESP8266 boards ;
  - ESP32 boards;
Supported comunication modules:
  - Bluetooth HC-05, HC-06 or compatible;
  - Bluetooth BLE HM-10 or compatible;
  - ESP8266 as modem;
  - Ethernet W5100;
Supported IDE:
  - Arduino IDE;
  - FLProg IDE;

Control Arduino and other boards via WiFi, Bluetooth, USB, Internet using GUI