Get the Premium version here: https://play.google.com/store/apps/details?id=it.heleus.password_generator

Generate safe and strong passwords for your account, Wi-Fi network and passphrases. No hassle, quick and easy password generation, with a visual strength indicator and attack time estimation.

This app comes with features that make it easier to generate passwords on a mobile device.

Features
• Fully customizable passwords, making your password unbreakable
• Quick selection of predefined patters, making it easier to create a type of password
• Easily copy your generated password with one tap
• Visual strength indicator, that changes color dynamically when a password becomes weaker
• Advanced statistics using service specific algorithms, to determine how long it would take to brute force and dictionary attack your generated password
• Fully responsive design, making this app feel and look great, no matter what device you are using