Launch-Ready Consumer Mobile OS

I’m bringing a new hardware brand to market and need a complete mobile operating system built from the ground up, ready for both smartphones and tablets at launch. Everything must feel effortless for everyday consumers: smooth onboarding, clear navigation, and responsive gestures... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, Encryption, Linux, Mobile App Development, Mobile Development, PHP, Security, User Interface / IA)