Asamoah joins WAFA as a free agent having being released by Inter Allies.
The player completed his switch to the Academy lads after the Club completed works on his documentation.
Inter Allies excluded the midfielder from their set-up prior to the start of the season.
WAFA agreed to sign the 21-year-old after the player impressed on trial.
He will be coming as a replacement for some key midfielders who left the Club at the end of the 2016/17 season.
WAFA meanwhile are expected to announce the signing of the player.