SITUS DOLAR138 Sony has incorporated the same six-axis motion sensing system in the PS Vita that many smartphones have: It consists of a three-axis accelerometer and a three-axis gyroscope. Another sensor, a three-axis electronic compass, gauges the PS Vita's orientation to the ground based on the Earth's magnetic field. The extra control methods worked into the PS Vita's design are a more significant step forward.|Slot Madness Tip: Shake It Up