What Is Minecraft Earth?
Minecraft Earth is an Augmented reality (AR) game for mobile devices.
Imagine bringing your Minecraft creations to our world! That's what Minecraft Earth can do with Augmented Reality (AR). If you've every played Pokemon GO or the Jurassic World Alive you know what I'm talking about. If you search Augmented Reality Games you will lots of them. Here is a good list of AR games https://jasoren.com/50-best-augmented-reality-games/
Jurassic World Alive
You can watch the introduction video from Minecraft.net for Minecraft Earth here https://youtu.be/dYKxBKj29dI.
Sign up here https://earth.minecraft.net/en-us/sign-up to receive updates for the Minecraft Earth game.