If you want to change your picture background than you will try "Change Photo background app" for removing background its free app . Remove background from image using just few steps and give new look to your image.
Try this now for quick and easy way to change your picture background. You cn quickly removes the background from any image or photo

Photo Background Changer is the most advanced Photo Editing tool to remove photo backgrounds and replace them with new backgrounds.
Feature:
Erase photo by finger touch
Select image for background.
Share these photos with your loved ones and friends
Save picture to SD Card or phone memory.