Demo released! But it is still a demo for JAM. You can battle one boss and safe the princess now. Also the inventory, equiping, skills and stats are now available during through the on screen button top right. To add potion to quickslot on screen open the inventory, select potion, press the button with arrow right. Then apply this item on player or enemy. When quickslot pressed again the item hold will be released. Remember this quickslot function, it is helpfull.