"Scary Face Swap HD" is a free app developed by Just4Fun for Android 9.0 users. This lifestyle app lets you switch any face in your photo to one of 20 crazy and hilarious faces like a horse face, cat face, old man face, ufo, devil, and much more. You can choose a photo from your photo album or take a picture using your camera.

The app features a built-in tutorial that explains how to add any new face to your photo. The face swap takes only a few minutes and is problem-free. Once your photo is ready, you can share it with all your friends via popular social portals, email, or save it in your photo album. You can also rotate, zoom, adjust transparency, color, color saturation, brightness, and contrast of the face you want to add, so all the swapped faces will look very natural. "Scary Face Swap HD" also features a clear and easy-to-use interface, tablet support, and the ability to set screen wallpaper with one of the faces and add the app widget to run the app directly from your home screen.

Please note that if you have any problems with this software, you can send an email to the developer, and they will try to fix all problems as fast as possible.