Smart Battery Monitor - Android Theme The app uses the Android logo to visualize the battery level. The status bar shows a small version of the robot overlayed with the battery level in percent. The robot changes it's color with the battery level from green to red (green, yellow, orange, red). IMPORTANT: This is a theme for the Smart Battery Monitor (SBM) and the SBM Widget. You must have the free Smart Battery Monitor app or the SBM Widget to use this theme. After installation, it can be selected in the settings menu or you can choose the theme if you add the SBM Widget to your desktop.