IN FOCUS: Yemi Alade thrills at AFCON. Kemi Adetiba reveals plans for “King of Boys 3” are underway. Jay Z’s “The Book of Clarence” parades Adekunle Gold and Yemi Alade in soundtrack. AMVCA changes modus operandi. Mo Abudu curates “Echoes of Africa” for Academy Museum. Movie Reviews: “A Tribe Called Judah” and “Malaika”