Random Video Chat App & Script

How much to recreate an app similar to Azar and how long would it take. I need help to build for online stranger video chat app. I need to know if you can build a scalable, robust algorithm to quicksort random user IDs that are picked first and then carry on the process with Monte Carlo and Las Vegas algorithms to handle the subsequent users with the minimum waiting time. If you need example apps I can share them with you. Features: Video Chat, Group Video Chat (is a must) Live Stream Function Can we include the ability to access the app without needing to log in, but if they want to use distinct features they have to log in Gems Chats Prime Members Video Moderations Referral programs Admin announcements Followers/Followings Settings