Limited Run Games have announced today via Twitter that they are now officially approved by Nintendo to publish retail games on the Nintendo Switch. Their first title for Nintendo’s latest platform will arrive in 2018. There’s no hints as to what it actually is.
Excited to announce that we've been approved to publish retail games on the Nintendo Switch.
Our first release will hit in 2018! pic.twitter.com/40ARFrqLJv
— Limited Run Games (@LimitedRunGames) October 20, 2017

Please let it be Hollow Knight or Dragon: Marked for Death O_O