Space Impact: “Meteor Shield puts you in the seat of Earths last hope to prevent looming apocalypse. You control the gun turret to defend mother Earth against meteorite showers and alien hordes. Use magnetometer to control the turret by rotating the device, take aim and blast the falling rocks to rubble.”
Note- Only work with Nokia Device having Compass : NOKIA C6-01,N8,C7,E7,N97 
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