Hello,
what is the menu item for "App Views", i find nothing in the manual
View screenshot.
What does "Auto Advance" also for this I have found nothing in the help.
App Views are for the future. Consider it a "teaser".
Autp-advance automatically moves to the next image when you assign a rating or label. To improve the workflow.
See this page: https://www.photools.com/help/imatch/#fw_cols.htm, at the bottom. Its also explained in the Viewer help, because it works there too.