Recently Samsung seller office has done some changes, if you simply upload APK like Google play store it will throw error,
“The registered binaries do not meet the category conditions for GALAXY Specials. The GALAXY Specials category can be selected only if at least one binary supports GALAXY Specials. You can go to ‘Binary>Advanced Mode>Binary Details’ to check the supported GALAXY Specials options.”
There is no option to disable Galaxy specials in seller office, so the simple and easy way to fix this problem is just add a permission in your manifest file i.e,
Thats all, now export your APK in release mode and upload it in Samsung seller office, a confirmation message appears, just confirm it.
Now APK will be successfully uploaded to Samsung app store.