Pursuing "Super Mario Bros NSP eShop full" downloads from unofficial websites is piracy. It exposes you to malware, carries a high risk of a permanent console ban from Nintendo's online services, and is illegal. The risk is simply not worth it for a game that costs less than a movie ticket.
If you've browsed the Nintendo Switch eShop for classic Mario games, you've likely noticed something curious. The original Super Mario Bros. for the Nintendo Entertainment System (NES) is not available to buy outright. Instead, the eShop presents you with a different title: arcade archives vs super mario bros nspeshop full
While they look similar at first glance, and the standard Super Mario Bros. Pursuing "Super Mario Bros NSP eShop full" downloads