'Close' button not actually close the game/app

Platform, device and operation system
Samsung Tab S7+ Android 11

What were you expecting to happen, and what actually happened
When selecting ‘Close’ was expecting the app to close

How often does this happen? When did it begin happening?
Every attempt

Steps to make it happen again
See screenshot. Open the game, go to Settings, select ‘Close’ . Select ‘Quit’ to confirm. Select operating system ||| to show all open apps, See that game/app isn’t closed