sentences:  Instead of using analog controllers to control the katamari as in the home console "Katamari" games, players roll the katamari by tilting the phone in the direction they want the katamari to go.Many have noted similarities between the 904i series of phones using motion controls similar to the Wii Remote.DoCoMo's 904i series, however, calculates tilt based on digital camera images; unlike the Wii and PS3 controllers which use different motion sensing technologies.