: Some versions offer advanced features like a Volume Booster to increase sound beyond system maximums, Ultra-Low Brightness for nighttime use, and an Auto Screen On feature using the proximity sensor.
: Reduces wear and tear on physical volume and power keys by moving these functions to software. Download istive Volume Button apk
: Displays a movable button on the edge of your screen that can be dragged to any position for easy one-handed access. : Some versions offer advanced features like a