You’re right, which i have to give SE credit for. They haven’t said they’re making the games just like the old days, but truthfully admitted they were updates. I do not particularly care for the NA localization team ATM though.
As for famicom/NES games, you may have to replace the batteries on some if they have them about 1/2 of NES games have dead batteries now. Fortunatly, you can go down to Wal-Mart or the like and get replacements.