Awesome
WiFi Bruteforcer - Fsecurify
WARNING: This project is still under development and by installing the app may desconfigure the Wi-Fi settings of your Android OS, a system restore may be necessary to fix it.
Android application to brute force WiFi passwords without requiring a rooted device.
DownloadLink: http://fsecurify.com/wifi-bruteforcer-android-app-to-crack-wifi-passwords/