Actually, Android is very good at maintaining backwards compatibility. You can, in fact, install a 10-year-old apk on your shiny new Galaxy S22 and it will run. The one problem you'll run into is that apps of that era expect a hardware "menu" button, which modern versions of SystemUI no longer provide.
I don't know about Samsung but on many phones you can add the menu button back to the button bar if you don't use gestures to control the phone. On my phone you can even have a floating button that opens a radial menu to provide access to things like a home/back/menu shortcut menu.
