Make any world then press the multiplayer button
Tap to place blocks. Hold to break blocks.
Click the 3 dots to open the inventory.
To use most blocks click on them then click the 3 dots. To save or chat click save and commands.
To eat click the screen when holding the food.
To get out of the any inventory click the 3 dots again.
I changed the costumes such as operation buttons.
You can play on mobile or PC.
Maybe you can't play multiplayer mode.