Since this app hooks into Android OS, it may work in some ROM and does not work on others. The table below lists devices with it status (working or not). If your device is not in this list, please report to us either it works or not on your device.

Samsung

Work well on most of Samsung devices

Galaxy S4 Working
Galaxy S3 Working
Galaxy S2 Working
Galaxy S Working Stock ROM, CyanogenMod
Samsung Young Working Stock ROM

HTC

Work well on most of HTC devices

HTC Hero Working Cyanogen Mode, Android 2.3

Sony

Work well on most of HTC devices

Lenovo

Work well on most of HTC devices

MIUI ROM

Please follow this guide to fix: http://anttek.com/forum/discussion/comment/52/#Comment_52

Pantech

Work well on most of HTC devices

Sky Working You should modify this from Phone app: Menu key > Call Settings > During Calling Status Windows > Turn it off
Breakout Not working