variants

unfortunately you can't on the app, but this should help you.
https://support.chess.com/en/articles/9836648-how-do-i-play-variants-on-the-chess-com-app
unfortunately you can't on the app, but this should help you.
https://support.chess.com/en/articles/9836648-how-do-i-play-variants-on-the-chess-com-app