Gizmodo shows off its promiscuous use of every smartphone on the block in an informative explainer about the current roster of mobile operating systems out there, from Windows Mobile, iPhone 2.0, and Android to Symbian, BlackBerry, and Palm. In the wake of the iPhone 3G and on the eve of Android's launch, we want to know: which flavor of smartphone OS is your favorite? Cast your vote below. More »
freeware _You can directly sign applications on your phone.There is a certificat and key file from OPDA (included in the packet) _not expire until 20 years. . But some people have got problems with this certificat :see at the bottom of the page.
For the registration at Symbian Signed, a special email address is required, because SS does not want anybody to register. That’s why most of the famous freemail addresses are locked. However, a solution is to register a 2ip.com email address.