https://www.fig.co/campaigns/crazyjustice - preorder campaign/kick starter
https://youtu.be/yLBITP7rJxA - cross-play video
https://youtu.be/hV_gNlHBURg - gameplay video
Crazy Justice is a Battle Royale type game coming to Pc, Switch, XBOX & ps4.
This game will include cross-play between XBOX & Switch.
More info can be found at the preorder campaign link above.
Also the game is targeting a June 2018 release. - https://nintendoeverything.com/crazy-justice-targeted-for-june-new-battle-royale-gameplay-video/