What does Frannie think she might do on the Saturday she's planning to go to the rec center, and why does she hope Samantha might go with her?

Frannie says she might go watch Sean play basketball and think of rude things to say to the hearing girls, or she might look for new graffiti on the signs at the center. She says she might also play pinball, beat the new boy and become the pinball champion. She hopes that Samantha might go with her so that she can begin to get to know the new boy and see the "Jesus" that Frannie senses in the boy.