The purpose of the app is to control remote hardware like Arduino, Netduino, Raspberry Pi. The protocol is TCP/IP UP: 0, power, 0. DOWN: 0, -power, 0. LEFT: -power, power, 0. RIGHT: power, power, 0. MIDDLE: 0, 0, 0 or 0, 0, power Byte Mode: 3 positions are transfered as 3 bytes