A free program for Android, by Protection Apps.

Spy Camera Detector: Hidden Device Camera Detector will allow you to scan for cameras, cellphones, tablets, and other electronic devices. If you find one of these devices, you can take a picture of it and you will be able to see what it is. This application is not a security system, but it can be used to protect your privacy.

If you are looking for a new way to protect yourself, your family, and your property from surveillance, spy camera detector is the best tool for you. This application will allow you to scan any room in your house or apartment for listening devices.