Supplying technology to global market and connecting world 's poor seen as important theme at mobile event . Mega powerful camera phones , projector phones and super - fast phones among head - turning tech . A senior executive from Microsoft -- which used the event to unveil a preview of its long-awaited tablet-friendly Windows 8 operating system -- decried a quad-core `` arms race '' that rarely resulted in better performance . Mobile World Congress also sparked debate over future role mobiles will play in our society .
Supplying technology to global market and connecting world 's poor seen as important theme at mobile event . Mega powerful camera phones , projector phones and super - fast phones among head - turning tech . Mobile World Congress also sparked debate over future role mobiles will play in our society .