How to create overpowered item:
- Firstly, go into Settings -> Advanced Settings -> UI Profile and set it into Classic.
- Now go into the map and turn machine on, by pressing one of the buttons on it.
- Open magic dropper interface, put nether star into central slot and tool or weapon in the slot right under it.
- Close the interface and open it again to get your OP item.
How to install maps:
- Download .mcworld file below
- Open file using any file manager to import it into Minecraft PE
- Open Minecraft Pocket Edition and look for the map among your worlds