Research it.
Those areas are near Turkana, where a possibly subsantial oil find was made a short while back. Due to that a lot of attention from different quarters (eg private interests offering scholarships, the usual Chinese attention, etc) has been flowing there. Apparently the entire region may be on an oil basin that spreads to Southern Sudan and Ethiopia, and of the same type (waxy crude) that was found in Uganda. Remember too that in Uganda, after the oil find, the US also started showing a lot more attention that wasn't there before. Even sending Green Berets to help track down Kony, the leader of the murderous Lord's Resistance Movement, even though there is some belief that Kony died some years back. Anyways, the investment is not due to Islam but rather to oil.