Overview of Oppia Android's technical design

In this video, Oppia contributor Vraj Desai presents an overview of the Android Oppia app, covering each of the modules in the codebase: app, data, domain, model, testing, and utility.
The video also includes a detailed explanation of how to solve issues, along with an example.
(Originally posted on Oppia's Developer KZbin channel on 12 Oct 2022.)