AMEX Mobile App Updates

Developed new features needed for AMEX mobile app as part of a recruitment assessment over 2 days.
Created individual high fidelity wireframes for each screen within new features.
Consolidated the new features to address needs:
1. New bill payment methods
2. Change credit limit feature
3. Add supplementary cardholder
4. Get tailored credit card deals

Produced an advertisement-like video to communicate these new features.