App Appearing blank if not full screen on lap-dock (Android + Samsung DeX)

I use Samsung's DeX and AppSheet apps on many devices.  One is a Dopesplay lapdock wired or wireless to my phone.  However, my apps only work if made full screen in DeX Mode on the lapdock.  If I resize the app to a window, the app goes blank.  I see the refresh image for a split second, then blank. 

Interestingly, apps do appear fine on my phone, even if split screened.  Apps also work as expected on my Samsung S6 tablet, in DeX mode.  I can run them, resize, or do whatever and they appear fine.

I know this is a bit of an abnormal setup, but wondering if anyone else has run into this and fixed it or if anyone may have a suggestion or things to try?

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1 ACCEPTED SOLUTION

SOLVED!  @WillowMobileSys you were on the right track, accept I needed to clear data for the app (AppSheet Android app) not browsers. 

    Settings -> Apps -> AppSheet -> Storage -> Clear data  &  Clear cache

     Screenshot_20241001_233356_Settings.jpg

So the Android app must be a web app container that holds info like the browser.  Anyway, I clear both the cache and the data, which deleted shotcuts I had set up, for both apps I use.  I needed to go in again on the web view (Chrome), call up the apps and re-setup the shortcuts, but now they work fine, even when resized!!

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