Monect - Make the best use of sensors on smart device to control PC, simulate steering wheel, game-pad...
Pushbullet - Pushbullet - Your devices working better together
LEA Extended Input - iOS/Android app with windows server to control functions in games via your smartphone/tablet.
AirMore - AirMore is a cross-platform toolset that can help you manage any Android device wirelessly.
aGamepad - aGamepad allows you to use your Android based phone as gamepad for Windows.
MyPhoneExplorer - WHAT IS MY PHONE EXPLORER? Imagine if your PC could be used to keep track of your mobile phone? How would you utilize a PC client that connects to your phone? Read more about MyPhoneExplorer.