This article provides a step-by-step guide on how to build a basic Zoom-like app using Flutter and the 100ms live audio-video SDK. The tutorial covers setting up the project, initializing 100ms in it, creating a room, joining a meeting, rendering video tiles, handling raised hands, muting/unmuting audio, toggling video, switching camera, leaving the room, and adding chat functionality. By the end of this blog, readers will have learned how to efficiently use 100ms to build a zoom Application.