Possible Duplicate: Where can I find stock or custom ROMs for my Android device? The ROM should have: Android 4.0+ WiFi hotspot 4G capability Long battery life Increased volume Fast speed ...
I saw it here: http://theunlockr.com/2011/04/12/android-101-how-to-scan-use-a-qr-code/ Watch video and you will see. I want to know how to create this effect on Android Gingerbread. Thanks.