Answer:
augmented reality
Explanation:
The scenario being mentioned is describing the technology known as augmented reality. This is a newer technological innovation that allows programs to interact with our real world through the device's camera. This is done with an overlay, in which the program detects real-world objects and adjusts the overlay to correctly interact with the real world object on the screen as if it was all being done in the real world. There are many such applications using this technology, from games to GPS systems.