i am a Core Networks analyst on the Cisco platform,and recently when i was in South Africa,i met with a friend and after much discussion,he told me his company was willing to come to Nigeria, he works with a Software Development Firm that's into Custom Apps Dev., Product Dev., Mobile Apps Dev., Mobile App & Device Testing, and he wants me to be a consultant for the company here in Nigeria, my challenge is do i need to start taking courses in Mobile App or Software testing, Please house,i need your views on this, Thanks in advance.