Google (my employer) has announced a "Google Gadget" competition for students in Tanzania, Uganda, Kenya, Rwanda, Burundi and Ethiopia. The designer of the best gadget will a $600 USD stipend, five runners-up will receive a $350 USD stipend. Prize categories include Best Gadget UI, Best Local Content Gadget (Most Locally Useful Gadget), Best Education Specific Gadget, Best Procrastination Gadget, Most Technically Sophisticated Gadget, Gadget Most Likely to Get International Traffic, and Best Social Gadget.
Complete details are available on the East Africa Google Gadget Competition website. A PDF suitable for your university bulletin board is available here.