In addition to enabling the DLC content, this update introduced several quality-of-life improvements and necessary bug fixes:
: Increases standard attack power but weakens throws. Guacamelee! PS VITA Update v1.04 2 DLC (USA) (...
: Specifically enables Vita players to play as Tostada (previously the second-player character in co-op) in single-player mode. In addition to enabling the DLC content, this
: Adds three unique outfits for Juan and Tostada, each with specific gameplay modifiers and new trophies: Guacamelee! PS VITA Update v1.04 2 DLC (USA) (...
The "2 DLC" mentioned typically refers to the two main expansion packs released for the original version of the game: