In Java Edition, you could put banners of any design on your head. This was useful for minigames and Factions servers. However this cool feature isn't available in bedrock edition. I aim to fix that with this addon.
Select version for changelog:
Changelog
V 1.0.0 ● Added 67 banner designs and uploaded addon to MCPEDL. (Join my discord if you want to submit your own designs)