question on uploading java games

I use mobimb to upload my games. I do it by dragging the .jad file to the games folder of my phone.. My question is, what is the .jar file for? Do I also have to copy it? Thanks!!!

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also, how do I send an operator logo to my phone using mobimb? I tried sendinga .bmp file to the gallery section and used the "use as operator logo" option but it didn't work. Thanks!!!!

you can use http://pcspix.com/main.asp to upload jar and jad files

What's the difference between .jar and .jad? On the computer, the .jad file normally is only 1kb in size. I upload it to my phone without uploading the .jar file and the game worked. Do I still have to upload .jar?

is there any programs to use witha data cable for games? cant find any for a t720. if you know any hit me up.

i use nokia game uploader form nokia using the .jar

does it work for the lg vx6000

.Jar files are Java programs so I'm guessing that the .jad files are just executable files for phones to run the .jar file.

I have a SEt610 and it only needs the .jar file not the .jad file...

is there any sites where u can upload it to a wap site and dowload it on a nokia phone?