Chinese mobile-phone and device maker Transsion is teaming up with Kenya’s Wapi Capital to source and fund early-stage African fintech startups. Headquartered in Shenzhen, Transsion is a top-seller of smartphones in Africa that recently confirmed its imminent IPO. Wapi Capital is the venture fund of Kenyan fintech startup Wapi Pay—a Nairobi based company that facilitates digital…