Why do I have 2 of the same apps?
If you are noticing duplicate icons for a single app repeatedly, its possible that the error stems from the app itself, rather than somewhere else. At this point, you should update the app (if there is one), and check if that resolves the duplicate icon error in Android.
Why are my apps circles?
The latest change - adaptive icons. All "adaptive icons" means is that every unique icon has to be constrained in a circle. It makes every icon look monotonous and, in some cases, shrinks the icon so that they're hard to see even on large screens.
Why are there circles around my icons?
The "white circle" is just the current Android theme. From time to time Google invents a new "cool" style how icons should look. You can try to change the shape in developer options: android.gadgethacks.com/how-to/… well might as well try downgrading to oreo then ..