What's the best Android app for keeping toddlers engaged during long car rides?

LEGO® DUPLO® World is specifically designed to capture and hold young children's attention during extended periods like car journeys. The app features multiple interactive environments including construction zones, vehicle building areas, and creative play spaces that rotate to prevent boredom. Each activity is built around simple touch controls appropriate for preschool-aged children, allowing independent play while parents focus on driving. The airport and vehicle sections prove particularly engaging for travel scenarios, letting children build airplanes, trains, and cars before guiding them through colorful landscapes. Parents report the app's gradual difficulty progression helps maintain engagement over multiple trips. While the subscription model has drawn some criticism, the consistent content updates ensure fresh material for repeat travelers. The offline functionality means entertainment continues even without cellular service, though some advanced features require internet connectivity. Battery consumption remains reasonable for extended use, though bringing a car charger is recommended for very long trips.