Should certainly notice the difference @Ferenc75 , minimum requirements are 990 Exynos or 865 Snapdragon,8 GB Ram and telephoto lens with at least 2 x optical zoom and Bayer Raw support. Therefore the s21,S21 Plus,S20,S20 Plus and Note 20 plus are unfortunately not compatible. Can tweak various settings such as ISO,shutter speed,white balance,Exposure value and manual focus in addition to the Adobe Lightroom Integration.
See more in this article https://screenrant.com/samsung-galaxy-expert-raw-camera-app-schedule/
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My Device- S21 Ultra 5G ( SM-998B/DS ) CSC= BTU , 12GB/256GB
One Ui 5.0,Android 13 .