Kids' Tablet Simplification

I need a customized startup screen for two Android 13 tablets (from Amazon) for kids in the car. The tablets will be mounted on headrests. Requirements: - Create a simple startup screen with 8 apps and a Settings shortcut... (Budget: $30 - $250 USD, Jobs: Android, Android App Development, Android SDK, Android UI Design, Graphic Design, Java, Mobile App Development, Mobile Development, User Experience Research, User Interface / IA)