Bug fixes
List all sensors available on the device along with their current values and a plot to display their changes over time.
Including accelerometer, magnetic field, orientation, temperature, light...
Version 3.5 added support for battery status (temperature, voltage, and percentage), sound level and signal strength!
Perfect for showcasing capabilities of your new phone, as well as hardware diagnostics after you have gone through a system update or repair. And it's a must have development tool when you develop applications that uses these sensors.