Heres some news regarding a commercial Nes Release:

Did you miss the deadline to acquire a copy of Vegetablets Go for NES/Famicom by Japanese delevoper Tulip House?
There is another batch! Quote from Twitter:
These will be available at 23:00 JST on April 15. This time you can also buy from abroad. Please select “buy from abroad” option. 4月15日 23:00 より販売いたします。