So peaceful... kind thoughts and calm, clean environments are always refreshing!
Thanks for this!
For Mac users:
Played on a Mac with Catalina. If you encounter the "App cannot be opened" problem, as I did, you need to give to the Paper Boats executable the right permission using chmod +x. This can be done from the Terminal:
chmod +x PATH_TO_PAPER_BOATS/PaperBoats_Mac_v_1_1.app/Contents/MacOS/Paper\ Boats
(PATH_TO_PAPER_BOATS is the folder where you put the Paper Boats .app)