Have you ever lost your phone somewhere in your house and you get tired of searching for it everywhere well with Phone Canary you can choose the English word you desire and a sound file now lets say you have lost your phone... say the word you chose out loud and the phone will start playing the sound file!

Different use-case:
You can install Phone Canary on multiple phones and set the same Activation word on all devices lets say you have a party.. and once you say the activation word all set devices will start playing the same music at the same time isn't it cool?!!