A new Nintendo Direct is coming our way and will be largely featuring the upcoming Splatoon 2 & Arms for the Nintendo Switch. That said, the 3DS will be highlighted as well which could be featuring some of the games coming to the handheld console. You can watch the Direct either via Nintendo.com or via their Twitch channel when it goes live at 3:00pm PT/6:00pm ET on (11:00pm UTC/12:00pm CEST) on April 12th (April 13th for those in Europe).
Nintendo Direct Incoming! April 12 (US) April 13th (Europe)