Virtual Dyno software (version 1.2.1) is a tool designed to estimate the horsepower and torque of a vehicle using data gathered from a dynamometer or a GPS device. It allows users to input their vehicle's weight, gear ratios, and other specifications to provide accurate estimates of performance. The software also includes graphing and data logging features to help users analyze and compare their vehicle's performance over time. Additionally, Virtual Dyno supports a wide range of file formats for importing and exporting data.