"The guy with the phone isn't aware that he can download such content, " said Mr Munford.

BBC: NEWS | Technology | Uphill struggle for mobile gaming

Mr Munford's proposal is to harvest the algae, rather than allowing them to die and sink.

ECONOMIST: Using the sea to grow biofuel

"Mobile games as a genre isn't being marketed enough by the people in the food chain, " said Paul Munford, who publishes a weekly e-mail newsletter about the mobile phone industry, Monty's Gaming and Wireless Outlook.

BBC: NEWS | Technology | Uphill struggle for mobile gaming