How to use the watermark camera?

As follows:

Tool: iPhone 8

Operating system: iOS 14.4. 1.

1, Apple Store searches for the watermark camera and downloads it. As shown in the figure:

2. The mobile phone clicks on the watermark camera APP. As shown in the figure:

3. Enter the watermark camera APP. As shown in the figure:

4. Click the photo, and then click the watermark. As shown in the figure:

5. Select the desired watermark pattern. As shown in the figure:

6. Watermarking succeeded. As shown in the figure: