itch.io

Guide:  https://docs.google.com/document/d/1Hjj5aVb0vKlb9yV-zz8wUKK6RdvlHBNjxIhj-lUH5_4/...

You must start a new game, get eaten by Amy, talk to her after she leaves the pool to learn of Amanda's store, go there and buy the phone from Amanda, open the phone (click the bottom right of screen), go to contacts.  Cassandra and Wendy are the only two options at this time.