Struggling handset maker Motorola has announced its W7 Active Edition mobile phone, which it hopes will appeal to active types and fitness buffs by offering a range of accelerometer-based controls to users can perform common phone functions with simple gestures, rather than having to poke around for buttons. Users can launch their favorite app just by shaking the phone twice, decline calls or snooze an alarm by turning the phone face-down, or simply flick the phone right and left to move between songs and images.