A double jump was a Force assissted jump that involves two 'steps' to allow somone to travel higher/further.
Star Wars: Episode I Jedi Power Battles[]
This is the same as a single jump, except double. It can be done in Star Wars: Episode I Jedi Power Battles. However, your character sticks in the air like petroleum jelly when you do this.
LEGO Star Wars series[]
In the LEGO Star Wars series the player could hit jump twice as a Jedi to double jump.