imageLocker - This application is used for protecting images taken by camera from other users. User has to enter a password for using this application.For demo version,you can use password as "demo".In demo version you can save one photo only. You can get password for full version after paying $1.5 only. For more details, please email me at supportbyme@gmail.com
Revolution - If you don't have certificate and key then hack your phone cause if you hack your phone then you can install every kind of apps on your s60v5 phone.
See my tutorial which includes screen shots..
Hacking is not harmful for your mobile. it gives you full freedom of having a symbian phone