Forensically, free online photo forensics tools
Forensically is a set of free tools for digital image forensics. It includes clone detection, error level analysis, meta data extraction and more.
"While in the room, move closer to interact with a friend by moving in your real environment with your phone. You can also click on the Hexa points on the ground of your virtual room to proceed to that point without moving around in your actual environment.
While interacting with an avatar, you can reduce the volume of the music and increase the volume of a user. Note: Moving closer to a user (in the virtual room) enables you to hear the user clearer (just like in real life)."