How to login with Mobile App without occupying session?

Hi ! we are developing a custom mobile app to login to our v10 ERPNext instance.

We noticed on the system settings it mentions:
“Note: Multiple sessions will be allowed in case of mobile device”

Currently we are able to login using API but it would occupy 1 session.

Is there a special method we can call for mobile app login which does not consume a session?
Tried to look around entire forum, couldn’t find any reference.