mirror

I wonder if there is way to mirror one phone to another using Bluetooth - just like you would mirror phone to car radio. I tried several apps in the app store but none of them worked. My primary phone is android 7.1.1 and the car phone I want to use is android 9.

This may not be Android related, but it was too cool not to share. How cool would it be if all the normal stuff in your life was connected? Films from yesteryear imagined a future with touch interfaces displayed on glass and mirrors. Today some random guy released a video demoing his project...