As a Roblox developer, it is currently too hard to trade on mobile through the More menu. Trading through the More menu should be simple and straightforward. This is why I believe the Marketplace button should be replaced with a Trading button in the More menu. Players can already access the marketplace through the avatar editor so this button is not really needed.
If this was added, it would improve trading and likely attract more Limited traders on Roblox. Here’s an example of what this could look like if the Marketplace button was replaced by a Trading button:
Here’s an icon I made that could potentially be used:

