Pope Francis arrives in Uganda on the second leg of his Africa tour, declaring Africa the "continent of hope" and urging the world to stand up for the poor and needy. Meanwhile, in Burkina Faso, campaigning draws to a close ahead of polls on Sunday. Five million voters will elect a new president, this a year after mass protests ousted longtime President Blaise Compaore. And in Ghana, young African tech entrepreneurs are hoping to make their mark.