Check out this post:
The 'Photo sphere' feature of google camera offers exactly the same functionality. But you'll have to install using the modified APK from the link above, since it is not available from the play store on the S9.
I've complained about the missing camera feature at SamSung support. But they were unable to tell me if, and when to expect it to appear on the S9 (Plus). :-[
Where the heck ist the Panorama Mode gone!???
Since the last security update Camara Mode dissapierd!
In the S9+ camera menu are only listed:
Super Slow Mo
no more Panorama Mode!?????
There were 2 APK that you could download for Dual Shot and Surround Shot, i found the information on XDA.
The android 8 update broke the Surround shot, but the Dual Shot still works, but they did something stupid in the Gallery where you can see either of the 2 pictures, but not both of them.... The weird thing is, the Samsung gallery app can see Photospheres (surround shots) created by google camera or older version of their own camera, so I am still hopefull that we will see an update to the camera. I did not use Surround Shot often, but when I did, it was necesarry, like in a big city, on a mountain peek, the view was awsome and you want to capture it all, sky and earth, which the Panoramic mod does not.. The Dual shot i used very often, and most of the time i was the one taking the pictures and i was never in the picture... this allowed me to be there.
@Samsung, please bring back those 2 modes. Don't think the Gear 360 can replace the Surround shot that you always have on you. I did got interested in getting the Gear 360, so if you remove that mode for ever people will start caring less for the Gear 360 camera, and move to the main Google camera, that has that Surround shot functionality.
Thanks for the tip, but I can assure you that on the S9 the feature is also not available nor downloadable at galaxy apps.
I also owned an S7 and I'm really sad that we have to do without it on the S9.
Perhaps Samsung did not include it on the S9 because of some patent violation or something like that. But that is pure speculation on my part.