The player could modify audio, or add their own voice.
The difference is that player cannot add to an attack on his/her partner.
Every player they put on the floor adds something to the team.
The player then can add cars to the train and send it on its way.
The same player added a penalty to make the score 10-0.
If two 1s are rolled, the player adds 25 to the turn total.
But players can drop and add celebrities at any point.
"And that's based on asking what a player adds to a team."
After that, players can then add depth to their characters.
A player may add cards to his own or another's spread.