Android 2.3.4 Software Update for Nexus S - This update allows you to video or voice chat with your friends, family and colleagues right from your Android phone, whether they are on their compatible Android tablet or phone, or using Gmail with Google Talk on their computer. You can make calls over a 3G or 4G data network (if your carrier supports it) or over Wi-Fi
Galaxy S2 SIM Unlock - This program finds the SIM unlock code for your Samsung Galaxy S II (SGS2) GT-I9100 device. It requires root / superuser.
Simply install the application, hit the "SIM unlock code" button, wait a few minutes, and it should come up with the code
Random Application for Sony Ericsson Xperia mini pro SK17 / SK17a / SK17i (SE Mango)