In 'Whose Phone Is This, Anyway?', players take on the role of an amateur detective thrust into a bizarre adventure when they accidentally find a lost smartphone at a crowded city street fair. As they navigate a web of strange contacts, cryptic messages, and quirky app features, players must solve puzzles and piece together clues to uncover the identity of the phone's owner and unlock the hidden secrets within. Along the way, players interact with eccentric characters who each hold a piece of the puzzle, all while racing against time before the phone's battery dies.