In 'Whose Phone Is This, Anyway?', you play as a hapless bystander who accidentally stumbles upon a mysterious phone left behind on a park bench. As you delve into the phone’s contents, you uncover a labyrinth of secrets, relationships, and a potential crime involving the owner. Navigate through text-based choices, gather clues from digital footprints, and interact with a cast of quirky characters, while trying to solve the mystery of the phone’s owner before the owner returns. Each decision affects the outcome and reveals more about the intertwined lives of the phone's various contacts.