I show how I created this image in iColorama-S on the iPhone.
I started with this acrylic painting of mine, which I photographed using my iPhone.
I opened the photo in the Elasticam app, and I used it to change her expression. I saved this image to my camera roll.
I opened the image in iColorama. Using Brush/Paint, I selected the blue background color and painted over the entire image with a large brush, to make a solid color blue image. Then I used Effect/Blend to blend the previously saved image onto the solid blue image, and I rotated the face using the Rotation slider in Settings.
I used Brush/Bristle preset 4, stroking vertically in one direction, from the bottom to the top of the image, painting only in the middle part of the image and not on the two sides. Then I used Brush/Paint at medium opacity, with color variation set to a low to medium setting, to paint on either side of her face.
I used a preset under Tone/Enhance at medium opacity to modify the colors. Then I used Effect/Blend to blend a rough texture over the image in Multiply blending mode. I made the texture previously, but you could use a light-toned photo of a rough surface like concrete instead. You could modify such a photo of concrete in iColorama using a variety of functions under Tone to alter color, Adjust to alter lightness, and Effect/Raise to enhance texture. This is the texture file I used here.
I used Effect/Raise preset 1 with low size to emphasize the roughness of the texture. Then I used Brush/Paint to paint a mustard color with a hexagonal brush over her hair. The hexagonal brush is in the Basic brush group.
I used Effect/Blend to blend the original image onto her with low opacity. Then I used Adjust/Shadows to add contrast, using a brush mask to protect her patterned dress from the added contrast.
I removed the brush mask. Then I used Style/Edges, and in Settings I chose the second “dot”. (In iColorama on the iPad, there may not be dots but blending modes to choose from. In this case, choose Multiply, but you can try them all.) This has the effect of thickening and darkening the edges, and enhancing the raised appearance of the areas of color. I made some final color adjustments using various functions under Tone.