At its São Paulo event today, Google announced a slew of updates to its Duo, Allo, and Photos apps, including new calling capabilities, file transfers, and easier photo sharing.

Google Duo — initially released last August as a mobile app for video chatting — will also offer audio-only calls on Android and iOS. The new feature is now available in Brazil and will be arriving “around the world in the coming days,” according to Google. (Of course, you can also make video and audio calls on a range of other Google platforms, including Hangouts and Voice, which recently received a long-awaited upgrade.)

For those with extensive document-sharing needs, Google’s mobile messaging app Allo now allows Android users to share a variety of files…

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