This app enables remote control operation like iPod. 1-Click = Play 2-Click = Next 3-Click = Cue 4-Click = Previous 2-Click and Hold = Fast forward 3-Click and Hold = Rewind 5-Click = Volume Down 6-Click = Volume Up ※This app does not include Player. ※Some of Earphones may not work well. Operation Verified -Phones HTC evo(OS2.2) HTC DesireⅡ(OS2.2) HTC desire HD(OS2.3) IS03(OS2.2) MEDIAS WP N-06C(OS2.3) HTC EVO 3D(OS2.3) Galaxy 551(OS2.2) Galaxy S(OS2.2, 2.3) HTC EVO SHIFT 4G(OS2.2) i-Mobile i651(OS2.1) -Earphones and Headsets MPA-3C(SHURE)、Apple Earphones with Remote and Mic(apple) -Player +Android Music(Play/Pause/Next/Prev/Cue) https://market.android.com/details?id=com.jrtstudio.music&feature=related_apps -Conflict Player +Winamp Winamp has a function to respond to the headset button. And it seems to correspond to [Play / Pause] [Next]. This app does not work. +PowerAMP PowerAMP has a function to respond to the headset button. And it seems to correspond to [Play / Pause] [Next] [Prev]. This app does not work.