SAN FRANCISCO--(BUSINESS WIRE)--Taking a fresh approach, Obi Worldphone™ today introduces two high-quality, premium-designed smartphones priced at an exceptional value to attract discerning young people in fast-growth markets in Asia, Africa and the Middle East. Designed by renowned San Francisco-based product studio Ammunition, Obi Worldphone™ SF1 and SJ1.5 are set apart by iconic industrial design. Ammunition also developed Obi Lifespeed, a custom user interface for Android that unifies the s