When you make a GIF-style animation ... Once it's open, tap on the GIF icon. A GIF capture window will appear as an overlay. Whatever is inside the window will become your GIF.
Here's how to do it. How to make a GIF on Samsung Galaxy S10 1. Open the Camera app by tapping on it. 2. Tap the small icon resembling a gear, located in the upper-left corner of the screen.