Listens for SMS/MMS package notifications, sets a user-defined timer to remind using default ringtone and it's own notification message and continues to do so until the user views the sms or removes any sms notifications. A simple setting for awake hours constrain Little Sir Echo to repeat notifications within user selected hours. Defaults apply for this and all other settings. <b>Note:</b> This app only <a href="https://github.com/kaputnikGo/LittleSirEcho/issues/4"> works up to Android 5</a>.