By utilizing the Blender 3D creation suite (which was a first for Kumparak), Unity 3D engine and Qualcomm's Vuforia AR SDK, the result is an Android app that renders the 3D interior atop the random wave-like pattern -- visible once the door's removed -- on the TARDIS in real time (no pun intended).
He then used the Unity graphics rendering engine - commonly used by independent video games developers - and Vuforia - an AR app development platform made by the chip maker Qualcomm - to allow a smartphone to interact with his creation.