This is Zip Manager, this compression application is for Symbian only. With this application you can use for decompressed from outside the application. I think Zip Manager Symbian is a good application for your Symbian device.
To use this application, just clicking the compressed file icon which is available in the folder. LZW is an algorithm that used for compressed and decompressed, it will make your file small up to 50%. If you are interested with this application you can download Zip Manager and use it on your Symbian device.
