This effect is achieved by :

CTRL J > move tool > add a vector mask > paintbrush > size > opacity > blend

You can blend through your image giving it a ghostly appearance due to its opacity like the image above.

This effect is called colour overlaying, achieved by:

1. Selecting an area of your image that you want to adapt
2. Add a colour overlay from your layers panel
3. Reducing the opacity to the appropriate amount or using the blending options
4. Finally, using Free Transform (CTRL T) to rotate, move or change the shape of your new overlay

Colour Popping is the effect of decreasing an image’s saturation except the areas that you want colour to stand out in. It is achieved by:

1.Opening a colour image

2.Reduce the saturation in your layers panel

3.Click the Vector  / layer Mask (white box)

4.Use the paint brush to remove the areas you want (change opacity for more control)