Ideas

Features

Items to make work from pouch

ExpAll
Zygarde Cube
Meltan Box
Exp. charm

New categories

Decorations
Breeding items
Mega stones
Evolution items
Machines
Tools/Armor
Mail
Badges
Held items (except berries?)

Trainer Pass

Maybe add a trainer pass feature to show/store collected badges?

Automatic pickup of items

Make shopkeepers recognize items from pouch

Make shopkeepers sell item pouch

Configurations

Configure visibility of All Items category (client side)
Configure binding contents to player instead of item
Configure tooltip visibility (client side)

Visuals

3D pouch model (help wanted)

Fixes