Guys i am trying to create an application to capture an image inside a frame of png and merge it just like the following application  any idea ? pls help me
https://play.google.com/store/apps/details?id=com.evsoft.photoshoot.mansuit1
I want  to draw image frame for camera view and overlapping the image frame on captured image and merge it

PLEASE HELP ME !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!