There is hidden galley settings which we can activate to use few one UI 2.5 gallery settings.
Follow the below steps
Open gallery app, then click 3 dot and click settings
Go to About gallery. You will find the version. Click the version 5 to 6 times. Galaxy Labs features will be activated and we can find the same below the About gallery section.
There you can find few more settings. If you wish you can play around with the settings.
