Based on the search results, "Gallery of Memories" likely refers to a feature within a photo management app, such as Apple Photos Memories or a similar Android gallery app. Open the Photos app and navigate to Memories . Open the specific memory you wish to save.
To make sure I give you the right download, could you tell me: Download File gallery-of-memories-slideshow-227...
Is this a slideshow that for you, or one you want to create from scratch ? Once I know this, I can give you the exact steps. Based on the search results, "Gallery of Memories"
Note: If the "Save Video" option fails, try creating a new memory or performing a hard restart on your phone. Based on the search results