Make sure your phone has VN Video Editor and Avataiify installed.
Import a photo in which you can see the face.
Click on the recognized face checkbox and select the emotion effects you want to generate. For example, select "Mai-ha-hi".
Select Medium or Best as you like. Wait for the video to be generated and click Save.
If you want to generate the animation effect of another face in the picture, click Crop and select the second face you want to adjust. Click Generate again. The other faces are processed in the same way.
Note: Except for the first face, you do not need to keep the "Sound" for the other faces.
2. Use VN To Create Trend Videos
Open VN Video Editor the App.
With the help of VN, you can put the original videos you just created in the main track and in PIP track.
Use the radial mask of VN to keep the face.
After adjusting, you can add text or stickers to increase the fun of the video(s).
After editing with VN, just click export in the upper right corner.