Time Tower is a step-by-step clock learning journey for kids. Built to help my 6-year-old daughter master concepts like "15 minutes before 3". After a 10-year hiatus from legacy PHP, I used ClaudeCode to bridge the gap and build this native app. - 6 levels from the ground to the stars - Interactive learning: Hands-on clock manipulation - Kid-Safe: 100% distraction-free (No ads) - Bilingual: Full English & Japanese support Master the clock and reach the top!