Build gradle modified versions to match initial setup and pro guard sample file "as is".
Kilobolt's framework "as is". Don't know if the demo will rely on it or not, but needed to do not break the build. If not needed, will be removed from the current dir, but will remain in the history.
First compilable version.

"Loading" screen working (so fast, it's not seen, but it is there)
"Walking yellow square" screen working.