Android Partner & Admin Apps

I sell a range of services and products and now want a straightforward way to enlist referral partners. I need two linked Android apps—one for the partner and one for me as the admin. Partner app • Login must be by mobile number (OTP flow is fine)... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, Android SDK, API Development, Java, Mobile App Development, PHP, UI / User Interface, User Experience Research, User Interface / IA)