This java software allows you to create as well as extract zip files on your phones itself. Created using LWUIT, you have a better visual experience with animations. You can increase speed by switching off transitions and change theme to low resolution. You might have to change application access settings on your mobile phone. You might be prompted every time you open a folder or select a file if your phone is strict in terms of security. The application might not work if your phone does not allow to access the file system.