How to find BLUETOOTH mac and WIFI MAC address on Android device or on FirefoxOS

In this example on Andorid 2.3.6

Just go to settings > scroll down to ABOUT DEVICE > Status

You will find here your Android device's MAC address.
Wi-Fi MAC address
Bluetooth MAC address. Pls do note you need to enable Bluetooth to check your BT MAC address.

This is how to check your physical MAC address on your Android.

In this example on FirefoxOS v1.1, v1.2

Go to Settings > scroll down to device section  and find Device information > Tap More Information > you will find the MAC address of your FirefoxOS device.
find firefoxos mac address1
find firefoxos mac address2
find firefoxos mac address3
find firefoxos mac address3