Use APKPure App
Get WIFI WLAN CRACKER 2.0 old version APK for Android
You can read all Password ( WPA2, WPA, WEP ) unencrypted.
With this app you can see all Wireless Keys on your Device in Raw-Text.
You need ROOT ACCESS on your Device! So you can read /etc/wpa_supplicant.conf
You can read all Password ( WPA2, WPA, WEP ) unencrypted.