Your WordPress admin is mobile friendly so it’s easy to send/schedule a push notification from a phone.
On your phone log in to your WP Admin and go to UniPress/Send Push and add that screen to your “Home screen” on your device for quick access.
See the 4 screenshots below for how it works (iPhone):
Step 1: Log in to your WP admin on your phone and navigate to the UniPress/New Push menu
This is where you will create your new push notification
Step 2: Add an app icon shortcut to your phone/tablet for quick access
Step 3: Now you can quickly tap your shortcut on your phone to send or schedule a new push notification