Zooroom is a social and communication application for Android that allows users to make group video calls with up to 12 people. The app is free to use and does not require any registration. It is also battery-friendly, making it a convenient option for users who want to make video calls without draining their device's battery.

To start using Zooroom, users simply need to create a chat room, share the invite link with their friends, and ask them to join. The app is easy to use and offers a seamless group video calling experience.

Overall, Zooroom is a great option for those who want to make group video calls with their friends without any hassle. It is simple, user-friendly, and does not require any registration or payment.