Samsung’s Good Lock app is one of the more popular apps by the Korean manufacturer, allowing users to extensively customize the look and feel of their Galaxy smartphone.
Improvements in this version of Good Lock include support for system-wide dark mode, and Lockstar automatically arranging elements to match the background. You can view the full, extensive changelog over here (machine-translated).
You can download Samsung Good Lock 2020 on the Galaxy Apps store via the button below, but do note that it seems to be rolling out
on a market-by-market basis to certain regions only. So you might want to sideload if the app isn’t available for you.