Continue at a Reasonable Speed. Playing rummy at a fair tempo and avoiding stalling or needless delays is another crucial aspect of proper etiquette. Mainrummy white 51 bonustaining constant focus on the game and avoiding distractions that might impede the flow of play are also essential. Regulate Your Emotions. Also, it's polite to control your emotions when playing rummy to prevent angry outbursts or displays of frustration that can make it less enjoyable for other players.