Always On Display

https://julietapp.blogspot.com/p/troubleshooting-general.html

This app allows you to keep the screen always on.

The service is persistent so it will remain active even if you exit the app.

• Persistent service: Background service

Autostart on boot and after update

• Ability to disable the service if the screen is locked

• Ability to enable the service even during a call

• Ability to enable the service only during a call

• No root

• Easy to use