Yes, we are planning to add the possibility of inspecting the enemy status and also a more direct visual feedback to have an idea of the enemy type and power.
We also plan to add a map overview before the level starts.
Yes, we are currently changing how the inventory should work to make it easier to use and more stable. Right now due to the mouse selection it can sometimes duplicate items or block completely the drop if the object is selected.
The characteristic implemented right now are just a prototype so they don't have much influence. We are already reviewing them to make them more significant as the game progresses.