Emulate back/select gamepad button

assets/sunshine.conf

@@ -25,6 +25,14 @@ ping_timeout = 2000
 # The higher fec_percentage, the lower space for the actual data to send per frame there is
 fec_percentage = 1
 
+
+# The back/select button on the controller
+# On the Shield, the home and powerbutton are not passed to Moonlight
+# If, after the timeout, the back button is still pressed down, Home/Guide button press is emulated.
+# If back_button_timeout < 0, then the Home/Guide button will not be emulated
+# back_button_timeout = 2000
+
+
 ###############################################
 # FFmpeg software encoding parameters
 # Honestly, I have no idea what the optimal values would be.