<p>Amid what seemed like hundreds of smartphone applications, a feature-phone app stood out from the crowd at last week's TechCrunch Disrupt conference.</p><p>Saya co-founder Robert Lamptey</p><p>Accra, Ghana-based chat application Saya has already gone viral, with 400,000 downloads in two months. The company's product is a replacement for text messaging like WhatsApp for feature phones and users are already sending 100,000 messages per day in Ghana, Syria, India, Indonesia, Bangladesh and elsewhere.</p><p>Saya lives on top of a user's phone contact book, and at a basic level is an instant message-style interface with conversation threads. The app also offers Facebook chat and chat with nearby users using cellular location information rather than GPS.</p><p><a href="http://allthingsd.com/20120916/ghanaian-start-up-saya-brings-modern-messaging-to-feature-phones/?refcat=news">Keep reading...</a></p>