Video tutorials and step-by-step projects are very helpful when you want to learn how to do a specific task in your app, or if you need to learn how to use a new API.

This is a Kotlin tutorial for Android: a fun and simple quiz that will serve as the perfect introduction to Kotlin programming.

His tutorials often cover a wide range of topics, including building user interfaces, integrating APIs, implementing complex functionalities, and discussing best practices in iOS development.