It is a app that can recevied notifications based on FCM on your android devices.

To receive messages on Android devices, the application scenarios include:
Notification forwarding;
Message push for iot devices or servers;
Push text from your computer to your Android device for easy copying, or search in your browser.
6 built-in notification ICONS, and user-defined notification ICONS can also be used to distinguish between different notification sources.
Large ICONS can be set to improve the recognition of notifications.
You can customize the notification channel to manage the priority, ringtone, and vibration of notifications.
Can receive encrypted messages to improve the security of notifications.