There's always been a disconnect when it comes to Minecreaft across platforms, but Microsoft's Minecraft Realms is aiming at fixing this. Matt Brown, writing for Windows Central:

Minecraft players across Windows 10, iOS, Android and Gear VR will be able to connect over multiplayer for the first time. Tagged as 'The Friendly Update', the expansion will provide dedicated servers for multiplayer sessions, acting as a unified solution for mobile cross-platform multiplayer.

Minecraft Realms

Cross-platform multiplayer is a huge, huge deal. Not only is it going to put VR users in the same worlds as everyone else, we're going to be able to see what the big differences are when it comes to performance between VR and non-VR versions of the game. Does being able to turn your head to see in Minecraft make any significant difference when building side by side with non-VR users? We're going to find out!