And its first step is a tiny one: to create software that will make it easier for programmers to control and write to SIM cards.

CNN: The cell phone revolutionary

Other entries included team Eco's Climate Sim, which sees the player taking control of a farmer who has to balance his day-to-day energy and water needs with the growth of his crops and the environmental impact of his actions.

BBC: NEWS | UK | England | Cornwall | Students designing Eden web games