The defensive Shogun survived one more attack as they held off Kenya to a 0-0 half time stalemate.
In the final half, Odongo got the fans at Machakos Stadium up their feet after beating his two markers on the left wing to score at the corner.
A conversion attempt by Dennis Abukuse sailed wide as Kenya led 5-0.
Odongo turned from hero to a problem for Shujaa after being sent to the bin with two minutes left, forcing the hosts to play with six men.
Despite being a man down, Shujaa stunned Shogun after a quick tap and go from Asati caught the Shogun defense napping as Ben Salem finished off the offload for a center post try that was converted by Abukuse for a 12-0 win.
Shujaa scrum half Samwel Asati was thereafter named the player of the tournament