Gamemode 9

Game mode 9 is one of the secret game modes in Minecraft: Bedrock Edition. The player has infinite resources. However, this game mode was patched on the latest versions, but can still be accessed by entering game mode "-1".

The player has the ability to fly.

Health and hunger bars are still visible, but you cannot take damage.

Tools have infinite durability, no matter what you try, you cannot break them.

Interaction
Mobs do not attack the player, even if are hostile.

You can place infinite blocks, no matter what (unless you drop them).