From the briefing.https://www.nintendo.co.jp/ir/en/events/index.html
Nintendo 3DS is set apart from Nintendo Switch by its characteristics as a handheld game system that is lightweight, price-friendly, and highly portable. Affordability is the strong point that positions Nintendo 3DS in a niche clearly separate from Nintendo Switch. In the grand scheme of things, Nintendo 3DS has a prominent position as the product that can be served as the first contact between Nintendo and many of its consumers, and for this reason we will keep the business going.
An abundance of titles in a variety of genres have been released for the Nintendo 3DS family. It is important to convey the existence of this rich assortment of Nintendo 3DS family titles and drive sales to new purchasers of the hardware. Our new consumers know that the evergreen titles will continue to be available, so we will do our utmost to foster sales opportunities.
We are also preparing new titles for the Nintendo 3DS family for release around the turn of the year.