Package textures Hololens will allow you to give Minecraft BE a somewhat futuristic look. The author did not touch on the gameplay aspects, but only changed the user interface.
Hololens texture appearance
Texture-pack Hololens changes in Minecraft pretty much everything in the user interface. Here are some screenshots MCBE:
Inventory and items
Main menu Minecraft
For more details, you can see a few previews of these textures, links to which the author left.
Have a good game!