use of android phone camera wirelessly to Atem Mini

I want to you my android phone as a camera for Atem Mini. I cannot run an HDMI cable because it will be too far away from the atem mini. The camera will be on stage and Atem Mini will be at back of Church.

One way to do it is to use a NDI to HDMI decoder.
Quite a few NDI camera apps are out there.