Want to try to see your friend's body, you can do it with ZuperCamera Transparent Camera App, maybe you should try this app, ZuperCamera can help you to try to peek at your friend's body, just pressing the portrait button on the application then the results of your portrait will go directly into the gallery.
Ă˘â‚¬Ë Taking a photo
Ă˘â‚¬Ë Save photos
Ă˘â‚¬Ë Minimum android 4.0
This app is not supported specific device just try and left review