Defocus images or parts of images -without advanced editing software or skills- with the very useful tool DSLR Camera Blur Effects.
Although DSLR Camera Blur Effects is quite a limited app, with only one function of blurring a specific area, it has a lot of options to easily give your images the touch you're looking for. To start using DSLR Camera Blur Effects, just take a picture, or upload one from your device's memory. Once you have the image you want to defocus, simply select the exact area where you want the effect to be applied. Apply the effect wherever you want, with the intensity you want, with this tool.
This tool incorporates a number of features that make it easier to blur exactly the area you want, whether it's the entire image, only the background, an object in the foreground, a manually selected area... No matter what you want to defocus or to what extent, you'll be able to get just the effect you want with DSLR Camera Blur Effect.