For Johannesburg airport and every airport (2500+) you get:
+Live Arrival and Departure boards
+Google Flights and Google Hotel Finder results displayed
+Food and restaurants
Johannesburg Airport (JNB) is the largest airport in South Africa and the hub for South African, Airlink, Comair, Mango and Kulula Airlines. Between the International and Domestic terminal is a transit terminal that is connected the the Gautrain.