Google often removes these apps from the Google Play Store because their features—such as hiding behind another app's interface—violate platform policies. Safety Risks of Unofficial APKs

Using a hidden camera app to record individuals without their consent may violate privacy laws like the GDPR in Europe or various consumer protection acts in the US.

To prevent discovery, some apps are installed under a generic name (like "Simple Notepad") and feature a fully functional secondary interface.