Answerback

This option allows you to configure an 'answerback' string to be used when the host machine sends an ENQuiry character to the emulator. Any string may be entered here. If control characters are required inside the answerback string use the '^' prefix notation, for example ^M for CR.

Mac address (Android version only)
To insert the mac address of the device use the following key word in the answerback string:
&MAC

Adds the 6 octets mac address as a 12-character hex string

&MAC_

Short mac address, adds the last three octets of the mac address as a 6-character hex string

or use
%m‑%r

Represents the six octets of the Mac address. For example, %m%n%o%p%q%r for full Mac address

%a‑%d

Represents the four octets of the WiFi IP address