Unity 5.4.2f2 Android Support is a software product for Windows developed by Unity Technologies ApS
It is reported that the following Windows processes are part of Unity 5.4.2f2 Android Support:
If you want to remove Unity 5.4.2f2 Android Support from your computer, just go to Start > Control Panel > Add/Remove programs and select Unity 5.4.2f2 Android Support from the list of programs.