This application is a handy tool that can notify you about missed calls that you have not received yet. You will be notified after a certain time interval, which you can set in the app. 

This application also provides a function that allows you to find your phone. If you have lost your phone, you can use this app to find it. You can use another phone to send an SMS or SNS message that contains the string you defined and your phone will ring loudly.

This function is useful if you want to be able to notify the application about the fact that you have lost your phone.