If you're looking for a prank calling app from Zach Choi, this might be one of them. You can make fake call from Zach Choi real video call.

Please note: This is just a dummy app, it doesn't have call function like real one. Use this app for entertainment purposes only.

Disclaimer :
Zach Choi call is a prank application and it is an unofficial application, it is only for entertainment and only for jokes, calls using this application are 100% fake and simulated only for jokes and impress your friends or others.