This app is to display the access point WiFi. Furthermore, you can also be connected to the access point is displayed.

Since the position is changed depending on the signal strength display, you will see a rough distance to the access point.

Blue radar displays the access point and 5GHz 2.4GHz.
Green radar displays the access points for each channel 2.4GHz.
Red radar is displayed for each channel of the access point 5GHz.

Details screen appears when you tap the SSID.

If you slide from side to side, you can move each radar screen.