You can tell your friends that you have build a real xray scanner in your phone. But in real world this is a prank application so that you can trick your friends.
A free .apk installation package of Xray Scan Prank 1.7 can be downloaded from Droid Informer and you can check out users' reviews on this site. Prepare 2 MB of free space on your device for this app setup package and take into account that it works fine on Android 2.3 and higher. The antivirus report shows that the app is completely safe for usage. Studio2 is the developer of this application which can be found in the Entertainment category.
Xray Scan Prank has been downloaded and set up by over 100K users and the latest update was released on Mar 9, 2017. The overall rating for the app is 2.9 on Google Play. Ads are a part of this application.