Android Hidden Features - Private Spaces, Hidden Apps & Alternative Profiles

What are they? - Built-in features allowing users to conceal applications, photographs, files and separate user profiles, sometimes protected by a different PIN or password.

Why use them? - Privacy, separating personal and work data, protecting sensitive information and maintaining alternative digital identities.

How common are they? - Widely available on modern Android smartphones, although features and names vary between manufacturers. Android 15 introduced Private Space as a native feature.