For Add to Cart pop ups make sure to follow this video:
https://www.youtube.com/watch?v=16v0jgZPvh4
The app still doesn't show?
It could be because of these reasons:
1. Pop ups would not be shown for Out Of Stock products.
2. Local cookies or cache issue. Open your store in a new tab or in incognito mode.
Still having trouble? we would be happy to help > Get help here