I’ve tested the Google HDR+ camera APK on my Samsung Galaxy Note 8 and S8(Snapdragon) for about a week, they both work flawless and bring additional HDR mode to non-Pixel phones. If you need extra 1-2 stops of dynamic range on your photos, Google HDR+ mode will give you exactly that(and make sure you have it on when using the camera!), bright areas exposured correctly.
This is Galaxy S8 Camera APK pulled straight from a real Galaxy S8. I have install it on my Galaxy S7 Edge but it will force close so I don’t actually recommend installing this APK. Once you install this camera app it will mess up your phone!
But if you do have a Galaxy S8 or S8 Plus, this camera APK will work fine. I will have an update with fully-working camera soon. This APK is really provided for developers who want the Galaxy S8 camera APK file.