Android Phone OTP Signup Module

I’m finishing up an Android-only app and now need a clean, reliable phone-number sign-up flow. The user experience I’m after is straightforward: the user enters their mobile number, an SMS with a one-time... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, Android App Development, Android Studio, C Programming, Java, Kotlin, Mobile App Development, Mobile App Testing, PHP, Twilio)