Here is an overview of the game, via Nintendo.com:
Monolith Soft’s epic Xenoblade Chronicles game, which originally launched in 2012 on the Wii system, is destined to be reborn on Nintendo Switch as Xenoblade Chronicles: Definitive Edition. The game, which chronicles the adventures of Shulk and Fiora, is scheduled to launch for Nintendo Switch in 2020.
Watch the announcement trailer below. View a set of screenshots at the gallery.