Update multiple hosts asscociated with your account.
Once you download it, install it and open up.Go to Google Play Store and download it or click the link to get it. In order to get the interface name, you will have to install Terminal Emulator for Android.Voila ! You can find the MAC address on the bottom of this screen.
Some Android system have Advanced option in WiFi, MAC address can be found there also.
But if you don’t see it, look for “Configure WiFi” option and click it. Now, you will see a gear on the top of this screen, click it.