Are you referring to smart view? With the all-new Samsung Smart View app, you can enjoy your personalized Smart Hub experience on your smartphone or tablet with all the benefits of touch. Browse across your favorite live TV and streaming apps more. Discover and launch your movies, shows, sports, music or games directly from your phone without interrupting your viewing experience on the TV.
Pull down the quick settings from the top of the screen and tap on the smart view icon.
Smart view doesn't work after android 10. No matter how hard i try (clean cache, reset network setting, keep my s10+ up to date etc.) Still no solution.. please someone explain what the is going on seriously ?? @SamsungAdam