Live Activities or lock screen notifications for Android displays a live overview of certain apps, enabling you to stay up to date.
In this case, it allows your notifications on different aspects of the Simple app to be displayed on your lock screen. You can choose turn on or off the Live activities for the Simple App.
Open the Simple app and click on your profile from the home page.
Navigate to the app's settings and click on Notifications.
Find the option for Live Activities and toggle it on or off based on your preference.
If you have any questions or difficulties using the app, we would be happy to assist you— simply open the widget 
in the lower right corner to contact us.