https://www.techradar.com/news/star-wars-jedi-challenges-ar-lightsaber-battles-now-let-you-fight-a-friend

Last year, Lenovo and Disney teamed up to release augmented reality (AR) game Star Wars: Jedi Challenges, which lets players practice their lightsaber skills, command troops in ground wars, and play the iconic game of Holochess. 

Now, a free update is letting players duel one another in the new 1-on-1 Lightsaber Versus Mode.