The highly anticipated game, Sonic Frontiers, is now available on the Nintendo Switch. Players can download the game in NSP or XCI format. For those looking for additional content, DLC updates are also accessible.

: Official updates can be performed by selecting the game icon on the HOME menu and choosing Software Update > Via the Internet

It sounds like you're looking for a for a hypothetical or actual scene release of Sonic Frontiers on Nintendo Switch, highlighting US region exclusivity and included DLC/updates.

There is a common misconception about "US exclusive" content. Here is the reality of regional differences: