incidentally theres a kinda interesting connection between Yobo and some older Famicom stuff - Yobo's actual company name is "Sun Team Technology (USA) Corp" (see
here for example), and a couple of Gamtec's old Famicom games credit a "Sun Team Electronics", presumably a publisher. I emailed Yobo to ask if there was any connection but they didn't seem interested in talking to me if I wasn't doing business with them.