Oh yeah, what is with Germany and the UK having influences in different parts of Indonesia? You've got Germany with the bulk, but the UK with Bali and the Nusa Tengarra islands, and some of the Maluku islands as well. I see that it's still under Dutch control and Germany influences the Dutch heavily... need some clarification.
WRT decolonization, lack of a second Great War may lead to a much lower level of development within Africa. I've been reading into decolonization a bit to try to help you figure out some of the borders, and while I've turned up nothing to suggest any landform, demographic, or political reasons to specify any borders, I have learned a lot.
This is where I started.