Q:

How to tap to system active app button on Appium (Android)

I need to open all active application`s menu on emulator.  I was find code how to tap on system button in particular Home and Back, but i cant find third button keyCode. 
((AndroidDriver)this.getMobileDriver()).pressKey(new KeyEvent(AndroidKey. HOME));

How to tap for box button? 

A:

Replace AndroidKey. HOME with AndroidKey. APP_SWITCH in your code. 
Here the full list of all available key constants: https://appium.github.io/java-client/io/appium/java_client/android/nativekey/AndroidKey.html

