Great presentation and design skill, you'll def land something. Though if you want big 4 or even big 20 tech companies, then you'll need to show more real code. A good 20k loc app would be nice.
Seeing as how he is just finishing high school yet, I'm guessing he will have more code on his resume by the time he's looking for a job in 4 years. Although, with the speed of things, who knows what will be the hot skills then!