Google's new Android 6.0 Marshmallow takes some of the best of its archrival iOS, while Apple's latest takes the best of Android. WSJ's Joanna Stern attempts to broker peace between the two sides.

These are hidden features or mini-games that exist just for fun. The latest version of Android, dubbed Marshmallow, also contains an Easter egg for you to enjoy when you need to kill a little time.

Google included a Flappy Bird clone game in Android 5.0 Lollipop and it has included a similar game in the latest Android 6.0 Marshmallow mobile operating system. In the game, a small orange ...

For the most part, the Easter egg is the same Flappy Bird-like game that was found in Lollipop. But this time around, it’s your job to dodge certain death as you fly between giant Marshmallow ...