As previewed earlier this month, Google today released the NotebookLM app for Android ahead of I/O 2025. This native experience starts on a homepage of your notebooks with filters at the top for Recent, Shared, Title, and Downloaded. The app features a light and dark mode based on your device’s system theme with no manual toggle. Each colorful card features the notebook name, emoji, number of sources, and date, as well as a play button for Audio Overviews. There’s background playback and offline...