View occupants of room:
Type :chooser to see who is in the current room. Note: You must be in Habbo Club to use this.
Hold [Shift] and click on a room to see who is in there. Note: This can only be done in public rooms.
View furni list:
Type :furni to see a list of furni in the room.
Quick move furni:
Hold [Alt] and click on a piece of furni to move it quickly.
Chooser for non hc:
Click on a person's speech bubble to select them.