 <blockquote> <p>I have read the documentation and it seems like if this flag is set when calling an Activity, if the user presses the back button or that Activity is finished(), it still remains on the stack.</p> </blockquote> <p>No, the Activity will not remain on the stack, but its entry will be shown in the recent task list, you can click on that entry to re-launch this Activity just as you re-launch your application.</p>