Nintendo won't let you use a microSD card on multiple Switch systems.

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Trying to transfer a microSD card from one Nintendo Switch Polygon . The message says:"The microSD card is being used by another Nintendo Switch console or was used on this console before it was initialized. Delete the Nintendo Switch data on the microSD card to use it on this console.Save data, screenshots, and other data not related to Nintendo Switch won’t be deleted. You can remove the microSD card if you don’t want to use it on this console."This means you can't carry over game downloads to a new system. And it further reinforces that currently game save data is tied to a single Nintendo Switch , especially since it's stored internally.Additionally on the hardware functionality front, Nintendo has brought friend codes to the Switch To get a better idea of the hybrid system's capabilities, take a look at IGN's review in progress of the Nintendo Switch

Evan Campbell is a freelance writer who scripts the Daily Fix , streams games on his Twitch channel , and chats about movies and TV series on Twitter