Typically, by the age of 4, children develop a variety of play skills. Among the options you provided, the following play skills are considered age-appropriate for a typically developing 4-year-old child:
Following rules while playing group board games: Many 4-year-olds are capable of following simple rules in group board games, which helps them develop social and cognitive skills.
Role-playing a bathing routine with a favorite doll: Pretend play and role-playing activities like this are common and beneficial for a child's imagination and social development.
Creating stories with "pretend" characters: This is another form of imaginative play that 4-year-olds often engage in, which supports language development and creativity.
So, the age-appropriate play skills for a typically developing 4-year-old child include options 1, 2, and 3.