Application for Android phone or tablet via Bluetooth to be able to adjust the internal parameters of the control units flybarless marked Brain / IKON / Xbar / TracX with firmware upgraded to 1. 3. 050 and later. The receiver module Bluetooth and the special connection cable to the unit, if not already supplied with the unit, must be purchased separately (eg Crius modules and cables MSH 51607 or 51608), and you can find at the best hobby shops. For advanced menu and other options, press and hold down the "recent" button of the device untill a menu appears.