At the moment, only the newer, high-end Android devices have barometers in them. A regularly available data or wifi connection is also necessary for the data to

At the moment, only the newer, high-end Android devices have barometers in them. A regularly available data or wifi connection is also necessary for the data to be real-time. So, this should work just fine right now in the major cities of India and the more developed countries of Africa, but for the most part it's probably a bust. Their lack of one infrastructure mirrors another.