This app is only for entertainment purpose and does not provide any hacking abilities. You can pretend to be a genius hacker by generating password of wifi network by using this app.
This app already contain names of some well known wifi networks and generate random passwords for it. Generate password, prank your friends and have a fun. You can brag about being a wifi Hacker to your friends and family by using the application and make them feel like you can hack a Wifi.