A collage is a collection of memories that are closest to our hearts. and we’re doing our best to help you create beautiful collages! unique features of our collage maker give you stunning results – just so that you can cherish these memories even better!. Friend matrix analyzes your facebook profile and creates a unique collage of your friends such that your best friends have the biggest pictures. find out who is on your friend matrix!. Friendmatrix is a nice app which make collage from the profile pictures of your friends, now once you use this app you will see pictures of your all friends in a collage but you will see that pictures of your friends are in different size, some are big and some are small..