When you click this widgets in the presence of multiple WiFi access points, then switch the WiFi connection to access the most strong point of the radio wave.
When people find this useful widgets is limited.
Example 1) has established a WiFi access point to the first floor and second floor of the home.
Example 2) to switch quickly from a mobile router to home access point.
In addition, the access point is connected only candidate with a history of access points to connect. If you have not even once connected, ignore it.
Because there is no setup screen, please put directly on the home screen Widget.