Saw your Facebook friends' hidden emails very easily. With Android Mobile
Follow this commands
1- pkg update upgrade
2- pkg install git python2
3- git clone https://github.com/ciku370/OSIF
4- cd OSIF
5- pip2 install -r requirements.txt
6- python2 osif.py
7- dump_mail
*If you want to view the number then type - dump_phone
*For first time you must want to log in your fb account in termux...
*" you will not able to see your password when you're typing in termux"*