Game Battery Saver is an Android utility tool developed by Zero Bear, available for free. This program focuses on reducing battery consumption during gaming sessions by offering various optimization features. Users can utilize functions such as adjusting brightness and volume settings, activating a black screen, screen lock, screen retention, and battery lock. The app automatically decreases brightness and volume when not actively gaming to conserve battery life and even includes an automatic lock feature based on battery levels to prevent excessive drain.

Game Battery Saver offers several key functions, including preventing automatic screen turn-off for 24 hours, vibration notifications after a set time, adjusting screen brightness and volume, enabling a black screen after a designated time, and locking the mobile device for extended periods. Additionally, users can set battery level thresholds for automatic locking and access a moving icon to monitor battery status and control various settings.