Use APKPure App
Get GUN=KATA-GUN old version APK for Android
Pose like GUN=KATA.
Pose like GUN=KATA and play Gun Sound,Flash Display.
You choose Auto or Semi-Auto in menu.
Needs
-Android 1.6 or higher.
-Accelerometer.
Modified
-1.10 Vibration enabled.
-1.11 fixed reported bug.