This App edit fuel mapping and spark angle adjust which the Fuel Injection / Spark Angle piggyback controller ENIGMA FirePlus for YAMAHA CYGNUS-X model4(Read disk) model. On your purchase, if you connect a BluetoothLE Enigma FirePlus CYGNUS-X 4 Bluetooth model,Other operations of the following Enigma FirePlus body, I can in a variety of iOS devices.This app need Bluetooth LE.After iphone4s ipad 3rd.This App not connect Enigma original model EBD-210.This App only connect FBD-211(CYGNUS-X model4),not connect FBD-210(CYGNUS-X model2-3). This App can edit EASY spark mode(spark adjust edit) only. Use to PRO mode(spark setting edit) must buy another app.- Spark angle adjust 20/-20 degrees. and adjust dwell time.- cancel / set the engine speed limiter.- The maximum 2500micro/-7500micro seconds the engine rotation and throttle position for each fuel injection increase / decrease can edit and write-read.- displayed in 3D graph increase or decrease the amount of fuel.- view the throttle opening ,tachometer and oil temperature monitor in real time.- The fuel map, showing real-time engine speed, throttle position of the current.- arbitrarily set the rev limit.- the digital acceleration pump.- corrected for the actual Throttle position sensor.- save and create multiple fuel data, you can swap immediately when needed.- adjust idling rotation- English,Japanese localize.Pairing is not required. Do not search Enigma in the Bluetooth settings screen. After the Bluetooth to ON in the Bluetooth settings screen to exit the setting screen in the home button, start the app, please do the connection from the "Connect to ENIGMA" app.There is no direct linkage function of the data and the PC version and other smartphones. Please migrate the data via the Enigma.