Yes – by connecting your Switch to Wi-Fi and updating the game via Nintendo’s servers. The NSP file is only for backup/emulation purposes.
In this context, "ROMs" can refer to either the base game file or additional assets. Often, users search for +ROMs to mean the base game plus the update, or sometimes custom modded ROMs (e.g., "The Darker Side" difficulty mods). supermarioodysseynspatualizacao130romsl
Searching for "ROMs" alongside this keyword usually indicates a user is looking for the base game combined with the 1.3.0 update patch. Yes – by connecting your Switch to Wi-Fi