Wednesday’s win saw the young Indomitable Lions become the first side to book a slot in the quarter finals.
The young lions negotiated their passage to the last eight against Uganda’s Hippos who had some of the best chances but failed to make them count.
Jang Junior was Cameroon’s hero once again glancing in a deflected corner past the helpless Ugandan keeper on the half hour mark.
Wednesday’s goal means that he registered his second goal of the tournament.
Cameroon’s game strategy
In a tightly contested game at the Olympic Stadium in Nouakchott the Ugandans started the better side.
The Hippos kicked off with some swift counter attacking football.
Towering forward Richard Basangwa headed over the Cameroon goal in the third minute.
He was picked out by Najib Yiga’s inch perfect delivery.
The Lions of Cameroon responded with a counter of their own moments later but failed to trouble the Ugandan defence who cleared their lines.
It was Uganda’s Hippos turn to create some danger when playmaker Isma Mugulusi played Basangwa through on goal.
But the forward missed the target with his effort going over the goal after minutes.
Kenneth Semakula then rose highest to an inswing corner before the half hour mark when he was unmarked at the back post.
But couldn’t get the effort behind the net.
With the missed chances, Uganda were made to pay when Jang Junior glanced in a corner from the right against the run of play.
He stunned the Hippos who didn’t defend the set piece well.
After conceding Uganda regrouped again playing through the wide areas.
They came came close to levelling the score twice but Cameroon defended well.
Cameroon’s win means that they booked a slot at the quarterfinals of the tournament.
Meanwhile Uganda needs three points from their last group game.