The write-red-on-it thing doesn't work for the notify.png file used in
notifications (I think because I can't find a color Android doesn't
strip out.) So use a rotation transform instead. Users will never see
this anyway.
that the app so generated runs in emulator, talks to relay, and does
not crash. Makefile has rules for .java, .xml and .h that run through
sed to xw4 in import statements, package names etc so the variant app
is in a different namespace. Also honors any files in the variant
tree that are actually checked into git should it be necessary to make
changes beyond what sed can manage.