xBuddy allows you to control mouse pointer using your smartphone. You must install xBuddy on your PC and "Wifi Mouse" on your Android device. You can either scan your PC in the same WiFi network, or use the QR code scanning method to connect your smartphone/tablet.
There are two modes of operation; touch and tilt. In touch mode, you can touch to move mouse pointer. In tilt mode, you tilt your device to move the pointer.