by Kostya Vasilyev
Android 6.0 (Marshmallow) information:
Find, connect, manage WiFi networks. Improve connection quality with a graphical channel radar. Discover open networks around you.
Includes home screen...
Wifi Manager — Wifi Manager searches for open networks. It also shows you the signal strength and tells you whether or not the network is password protected. You can also sort networks by signal, name, and status.