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This newsletter teaches you about complex state of the art Android concepts in easy terms. Because I also love to read good easy to consume Android content.

Written by a Google Developer Expert (GDE)

This publication is written by me, Jorge Castillo. A Google Developer Expert (GDE) for Android and Kotlin. Currently working at Twitter. Author of Jetpack Compose internals 📖

Stay up-to-date with new patterns and libraries

We all know how fast the Android ecosystem evolves. Keeping up with all the new things is a true challenge. This newsletter got you covered. You won’t have to worry about missing any state of the art concepts. All the knowledge goes directly to your inbox.

Exclusive content

I love digging into sources to understand how things work on the inside. This is what made me write Jetpack Compose internals. This newsletter will bring to you content that you will not find anywhere else.


Sponsoring this publication helps to keep most of its content free and accessible to every developer in the world. It also works as an effective channel to showcase your brand to thousands of readers. If you decide to sponsor this newsletter, you will get:

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One of the most popular newsletters about Android development. I write the content I’d want to read. Complex concepts explained in easy terms.


Google Developer Expert for Android and Kotlin. Author of Jetpack Compose internals 📖 delivering consciously crafted content about modern Android development.