Classic Celsius / Fahrenheit indoor / outdoor thermometer for android devices.
Professional realistic vintage audio LED VU meter for your device. It shows relative loudness of the sound.
Professional realistic vintage audio VFD spectrum analyzer for your device. It shows audio frequency components of the ambient, your voice or the music played on your device.
Professional aneroid barometer on your device. Direct reading of atmospheric pressure in mBar or mmHg.
Professional vintage hygrometer on your device. Direct reading of atmospheric relative humidity in percents %.
Nice vintage compass for your device. It shows your orientation and heading.