We can't find the invoice option you're referring to - can you advise?
Hopefully in early 2019!
Unfortunately not - this version is intended for emulators only.
Of course - what else would you play it on? :)
The included files should work with VICE no problem (see the README file contained in the package). We're putting together a step-by-step guide for Mac users.
Our products are designed and developed for C64 cartridge - this is the recommended format for playing the game on a real C64.