[Português] Por que 90% dos Aplicativos de Aprendizado de Árabe Falham

# Why 90% of Arabic Learning Apps Fail Kids [Portuguese content summary] Arabic learning app market is $15B by 2032, but retention is brutal — 90-95% quit within 30 days. Most apps fail through: game trap (badges/points undermine learning) or academic trap (grammar worksheets). Science shows success requires: spaced repetition, adaptive difficulty, speaking mandates, narrative context, parent visibility, and depth over breadth. Best apps integrate all 6. Avoid gamification. Look for science-based pedagogy, adaptive systems, speaking features, and parent progress dashboards.