The question isn't exactly clear. You want to sit at the PC, with the phone somewhere and capture pictures - on your PC - of what the phone is seeing?
I'll leave the PC end to you - there are many ways of capturing what the screen sees on a PC, but to get your PC to see what your phone is seeing, try IP Webcam. It lets your PC connect to your phone as if the phone were a webcam, so your PC can see what the phone's camera sees.