Companies trying to attract more smartphone users across Africa, but there are risks

Accra, Ghana — Anita Akpeere prepared fried rice in her kitchen in Ghana's capital as a flurry of notifications for restaurant orders lit up apps on her phone. "I don't think I could work without a phone in my line of business," she said, as requests came in for her signature dish, a traditional fermented dumpling. Internet-enabled phones have transformed many lives, but they can play a unique role in sub-Saharan Africa, where infrastructure and public services are among the world's least developed...