WiFi Connection Manager is a great Android WiFi scanner, manage and connect.

1. Support SSID from AP (access point) with special characters such as Chinese, Japanese, Korean, Greek, Russian, Arabic, Portuguese, UNICODE, etc.
2. Show the stored network password. (Device must be Rooted)
3. Fix Wi-Fi Device Problems
4. Connect now when searching when the connection is established It's way faster than the local Wi-Fi scanner.
5. Support static IP setting, auto switch between different APs.