Of course, GoGo English does phonics with preschoolers too, despite their age. Kids lesson could be fun if and only if instructors know the tricks. Fortunately we do. And GoGo kids never cease the fire to amaze us.
The reality in Japan is that phonics study are not in current English curriculum and there sees 5th graders(age 11) in public primary schools to begin phonics study in 2020. This young learner is 5 years old. GoGo Rocks.