A lot do. Almost all of the official 'Google Experience' android devices do, along with the Samsung Galaxy line of devices. Thats not the complete list, of cour

A lot do. Almost all of the official 'Google Experience' android devices do, along with the Samsung Galaxy line of devices. Thats not the complete list, of course, but that's a large chunk. The baro sensor is used to get a altitude lock for gps quicker.