Here is the full list of all 10 Electronic Super Joy trophies - there are 3 bronze, 6 silver and 1 gold.
Get every Star, beat every Gold Time, and earn 0 deaths in every level
Beat all gold times
Defeat World 4 within 26 Minutes
Defeat World 3 within 22 minutes
Defeat The Groove Wizard
Collect every star
Defeat World 2 within 17 minutes
Survive Glorg
Defeat World 1 within 10 minutes
Murder The Pope