In 1914, the African continent is a large part of the board that quickly becomes very irrelevant. Here are some changes that can bring some interest back.
At start of game,
Place 1 German CA in SZ26 to represent the active German presence in the Indian Ocean. Place 1 French infantry in Fr. Equ. Africa. Add 1 German artillery in Ger. East Afr. Change German artillery in SW Afr to infantry. Add 1 German infantry in Kamerun. Make IPC value of South Africa 2 (reduce Canada to 3).