What this software does to overall system performance probably varies from machine to machine based on processor speed and version of Windows, but it is a very innovative marketing strategy to use what many users will consider as a missing feature in Windows 8 as a hook for a revenue producing appplatform.
There had been thousands of handheld apps for Palm and Windows Mobile platforms before, but it took Apple and its structured iOS platform to turn mobile app developer into a calling that one could not only be proud of but get rich from.