Compass For SmallApp (com.eathract.miniorifsa) on Google Play
This is the application of small application specification of SONY. It is a compass app with an acceleration sensor and geomagnetic sensor that is built into the smartphone. The color of the dial switches to black and white when you tap the screen. It is now not whether the background of the application you are using at the same time. It has been tested with Z1 and Xperia Z.Small apps extension for Sony products