I'm not quite sure why software is needed. I found this free pattern
http://www.sewcreativecottageblog.co...ng-a-rosie.pdf and it looks like it can be put together from just this pattern. it looks like the software shows how to do the applique... an old technique called broderie perse. here is a link to how the technique is done
http://www.sewingmachinesplus.com/me...e-applique.pdf
HTH