Java Jetpack Mod is a very simple map for Minecraft PE able to teach you how to craft jetpack, applying opportunity command blocks.
Immediately warn that this mod has been ported from Java Minecraft Edition in Minecraft PE its functionality a bit restricted. Anyway, the mod is an excellent tutorial that will be useful to anyone who wants to learn to do something new in MCPE.
Install Java Jetpack Mod
Download the map
Remove the map from the archive
Move the map by path: "/games/com.mojang/minecraftWorlds"
Go in Minecraft PE > Play > Select the installed map
I am a professional from Minecraft PE Team that creates and publishes the best content for Minecraft players. We have been studying custom gameplay, modding features, as well as popular game themes for a long time. You can be sure that our materials are designed for the player to spend more time in the game world than usual. Additionally, our modifications will allow you to turn your game into absolutely any other theme. I'm also a pretty good player, so I'll try to answer any of the questions in the comments.