The app make to change mac address on your HTC HD2 with android. This app could work on rom that use /system/etc/calibration file in order to decide wifi mac address.Even though your device is not HTC HD2, there is possible to change mac address, if your device uses /system/etc/calibration file to decide mac address.Require root permission and busybox, external storage(SD card) must be mounted.**This app is for only HTC HD2**change log1.9 bug fix1.8 bug releated case-sensitive fixed1.7 bug fix.1.3 bug fix. add house ads.1.1 The first announced official version.