The teenager is settling in well at Old Trafford and scored his first senior goal for the club in the Europa League tie against AC Milan at the Theatre of Dreams.
He came off the bench in the Emirates FA Cup quarter-final defeat to Leicester City on Sunday and is developing nicely under Ole Gunnar Solskjaer.
The Abidjan-born winger is reportedly also eligible to represent Italy and Guinea but has opted to play for the country of his birth.
Coach Patrice Beaumelle has named Amad in a 30-man squad for the Africa Cup of Nations qualifiers, with Eric Bailly also included despite missing our last two games due to injury.