From reverse engineering other people's apps, to getting better visibility on Google Play and seeing how Pocket achieved insane levels of growth with a small team. All the links are here!
Conrad Kramer has a fantastic talk on Realm about Reverse-Engineering iOS Apps: Hacking on Lyft
It shows how you can use a few tools to understand how other apps work. Truly fascinating.
Swift A Day is a series of daily Swift experiments from Linda Dong. If you're tired of seeing yet another table view example, and want something more edgy, check these out.
David Smith shows how much the iOS SDK has changed and grown in The Growing iOS SDK.
ReviewTime an open source app that shows the average review times for iOS and Mac apps
Back when I was a pure Java developer, I idolised the Effective Java book. It's nice to see it being brought into Android development with the Fragmented Podcast, where they discuss using builders over constructors.
Having trouble getting your app noticed on Google Play? See some Do's and Don'ts for Improving Your Visiblity on Google Play, from game developer Dots.
Backboard a motion-driven animation framework, from Tumblr
Android-historian a demo of Android Material Design Support libraries
Design & The App Business
Let's face it, when it comes to error messages, none of us has ever done brilliantly. Thomas Fuchs gives a good insight into this problem in How to write a great error message.
First Round published a great article around how to achieve app success in The Story Behind How Picked Hit 20M Users with 20 People.