These items can be kept in "tools" tab and cannot be traded:Remote control
Used to set combat auto-controls.
GPS navigation
Used to make player go automatically to a certain place or person.
Clone pendant
Used to transform player into his robot (if player's level is 20 or above).
Photo frame
Used to view pictures and watch cutscenes from different quests.
Portable game machine
Used to play shooting game.
My house
Used to enter your house.
Rafael
Used to enter the spaceship.
Pet egg
Used to mix two pets to create a new one.
Simple fishing tool
Used for fishing.