Requires a working version of X-Plane 10.40 or newer.
Compatible with X Plane 11.
Connect your computer running X-Plane and your Android device to the same network.
That's it - no configuration required.
This is the Pro version, which contains the usual "six-pack" of instruments:
Airspeed, artificial horizon, altimeter, turn coordinator, gyro compass, and variometer.
The artificial horizon, altimeter, and heading bug are adjustable using the touchscreen.
Easy to set up, requires no plugin.
Before paying for the full version, try the X Plane Steam Gauges Free
to make sure it is compatible with your device.
Available here: https://play.google.com/store/apps/details?id=com.xplanesteamgauges