I have small iOS app .
1. It run require key.
2. it can only run in 1 device at 1 time . if i open 2 app instance in 2 device A & B . A is fine . But when open app in Device B . preview app on device A is closed
I know this is the simple task for cracker/hacker
I want to find a long-term friend do to more other task .
So only bid if you can do this
I will upload app for bidder
Thanks you