How to properly organize the application logic for delivery?

Question

Android

The user clicks "Working". The app starts tracking his location. Problem with the "Working" status:
The user did not change the status, and forgot about the application or killed it. But we see his latest status and time is ticking. How to check this and automatically change the status to the type "the last time was so much"?
There will be a lot of loot. Maybe there are useful articles about the development of such applications? Share.