The availability of hardware sensors on the smartphone. The sensors on a smartphone ranges from proximity and ambient light sensors, to accelerometer, gyroscopes and compass. These hardware sensors facilitate things like auto-brightness, position information etc.
Proximity, Light, Accelerometer, Compass, Gyroscope, Barometer, Fingerprint, Hall, In-display fingerprint sensor, Step detector, Step counter
Proximity, Light, Accelerometer, Compass, Gyroscope, Fingerprint, In-display fingerprint sensor
Proximity, Light, Accelerometer, Gyroscope, Geomagnetic, Fingerprint, Fingerprint sensor model - Goodix 3.0 (In-display optical fingerprint sensor)