Using WiFi Warden, you can:
✔️ Analyze WiFi networks
✔️ See who is connected to your WiFi
✔️ Test your internet connection speed
✔️ Connect to hotspots that others have shared
✔️ Connect to your WiFi using WPS
✔️ Calculate the WPS PINs of some routers
✔️ Create strong passwords
✔️ View saved WiFi passwords (requires root)
✔️ Find the open ports of a device on the network

By analyzing Wi-Fi networks, you will be able to:
✔️ See all the information that can be found on the WiFi networks around you, including SSID, BSSID, Channel number, Channel bandwidth, The router manufacturer, Encryption, Security, Distance, etc.
✔️ Find a less crowded channel to increase the signal quality of your wireless router.

Do I need to root my device?