Sorry for the late answer.I had some trouble with that as well, I broke off the connectors that stick out from the servo itself then I filed down the inside of the eye until I was able to push it in.
Mad Eye Moody's Servo EyeView Instructable »
Sonic Bow Tie, by David B. ...View Instructable »
HiI want a version of this android app that is constantly listening for voicecommands so that i dont need to press the button every time. do you know of an alternate app/sourcecode for this one so i can change it myself?