Sixaxis Controller is the app you want to use to pair your controller with your phone.
However, I have not been able to get it to work on my VS980. It works just fine on my Nexus 7 2012.
Sent from CAMACHO, my Verizon G2 (VS980) running PAC ROM 4.3.
The Aphotic Chaotic
LG G2 VS980 (Verizon) [JB 4.3] PAC-man ROM
Nexus 7 [JB 4.2.2] XenonHD