- Look straight down and press the "Sneaking" button to sit down.
- Look straight up and press the "Sneaking" button to lay down.
- Finally, in order to start crawling, first, sit down and then just start moving.
How to install addons:
- Download addon straight from your device
- Find and open .mcpack or .mcworld files that you download earlier
- Click it to import into Minecraft Pocket Edition
- Open the game
- Create a new world or edit an existing world
- Scroll down to Add-ons section and select the ones you want to apply