Folks at Realm asked developers the biggest mistakes they have made building WatchKit apps.
A great writeup from Guanshan on how he got started with functional programming in Swift and basic things we should know.
Hello Code Signing, so we met again. I have no idea when code signing is something we wouldn't have to read blogs for. But for the time being, here is Jared with his Apple Watch code signing tips.
A great post on meanings of icons, how they evolve and how to use them.
Just yesterday I was reading Apple Watch design guidelines, this blog does a good job of giving a summary of it.
Slides from Droidcon on all the latest stuff Android testing has to offer.
Jens writes about annotation process StaticLauncher that he created so you can annotate any Activity with @StaticLauncher and it will generate a new ActivityLauncher class for you.
Yaroslav shows how you can implement basic principles of RxJava without actually using RxJava.
Dmytro shows how you can create Android Material Components which are present in Google Material Spec, but missing in Android SDK and AppCompat v7 library
Matthieu interview Trello designer on their redesign with Material Design.