Fast and simple application for testing sensors of Android 4 devices. Displays information about sensors availability and basic readings. The application supports the following sensors: - Accelerometer, - Temperature, - Gravity, - Gyroscope, - Light, - Linear Acceleration, - Magnetometer, - Pressure, - Proximity, - Humidity, - Rotation Vector. Additionally, battery sensors are read for level, temperature, and voltage. Long press over a sensor description displays detailed information. A user may select sensors for testing as well as exclude information about unavailable sensors.