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Samsung's Gallery app has a hidden menu called Gallery Labs that offers additional features beyond the well-known tools. To enable Gallery Labs, users must open the app, access the menu, go to Settings, tap on About Gallery, and then tap the version number ten times. Once enabled, users can lock albums with a PIN or fingerprint, create slideshows with selected items, save images as PDFs, add a seek bar for videos, enable a timeline view for albums, and turn off video previews. Gallery Labs is regularly updated, and users can reset settings or disable the menu if needed. Similar hidden features exist in other Samsung apps like Wi-Fi settings and My Files.