Open source software to convert your smartphone / tablet into an Android remote touch display for your Arduino and ARM projects using a Bluetooth adapter like HC-05 or an USB OTG cable. Let the Arduino sketch create a GUI with Graphics, Buttons and Sliders on your smartphone by simply connecting a HC-05 to the rx/tx pins of your Arduino. Directly connecting the Arduino with an USB cable and an USB-OTG adapter to your smartphone is also supported. BlueDisplay receives draw requests from Arduino