1. Borrow your friends’s android phone which you want to spy for just one minute.
2. Go to settings —> About phone —> Status—> Wi-Fi MAC address
3. Note down the mac address. Keep the phone for few more minutes. we need it man.
4. Now go to your phone and uninstall whatsapp.
5. Change your Mac id to your friend’s one by spoofing mac.
6. Now Download and install whatsapp on your phone. Whatsapp will send the verification code to your friend’s phone.
7. verify your downloaded whatsapp by the verification code sent to your friend’s phone.
8. You have installed exact replica of your friend’s whatsapp. Now whatever he or she will do, you can track it with your phone. Useful for parents and lovers. Do not use it for illegal purpose.
9. There you go :)