AirUnlock

Due to the inability to connect android phones via Bluetooth with a Mac product, developers have developed AirUnlock to combat this discrepancies. This is an app that will allow you to connect your android phone to a Mac computer system thereby controlling both its lock and unlock state

Features

Store the password in Mac system keychain.
Send the UUID for lock/unlock Macbook. (other people can't control your mac)
Without any internet access.
Authorization with fingerprint.
Wake and unlock when mac is sleeping

link