In 'Hello, Who Dis?', you play as an anxious college student who discovers a mysterious phone app that allows you to communicate with historical figures, celebrities, and fictional characters from various time periods. Each interaction is a blend of humor and intrigue, where you can choose how to respond to compel a unique narrative. However, as the app begins to malfunction, your dialogues create absurd and often chaotic consequences. Navigate through multiple dialogue options to uncover the app's secrets while dodging bizarre realities and time anomalies. Can you find a way to fix the app and return to your normal life before it's too late?