Nintendos New Account System “Nintendo Account” Will Utilise Cloud Saves

In the english transcript of todays Investor briefing, Nintendo confirms that their new account system named “Nintendo Account” will use cloud saves:

If I can discuss our plans for the future, the service will eventually allow game save data, such as character data, to be stored in our cloud system so that you can use them both for the software for dedicated game systems and for our smart device applications.

This save data can be shared among different devices as this slide shows:


Source: English Transcript From Investor Briefing