If you are using a mobile phone with internet, you will probably know what is the difference between .jad and .jar files in case of mobile games.

.jad file is nothing but a linking .jar file with describing its size, and url.etc
Why use .jad files?
If you have a lite memmorry version mobile, you should always choose .jad file. it will install the game or software to your memmory without storing it.

Let's check what's inside a .jad file!

Manifest-Version: 1.0
MIDlet-Name: Ice Age: Mammoth Mayhem        //NAME OF THE MIDLET
MIDlet-1: Ice Age: Mammoth Mayhem, /i.png, Main  //ICON OF THE MIDLET
MIDlet-Version: 1.1.4              //VERSION OF MIDLET
Created-By: 1.3.1 (Sun Microsystems Inc.)   //MIDLET DEVELOPER PLATFORM
MIDlet-Vendor: Glu Mobile    //MIDLET VENDOR
MicroEdition-Configuration: CLDC-1.0
MicroEdition-Profile: MIDP-1.0
MIDlet-Jar-Size: 589184   // SIZE OF JAR FILE
MIDlet-Jar-URL: ice_age.jar.jar  // URL OF THE JAR FILE TO RETRIEVE AND INSTALL

How do this work?
To know how does this work,
Try Downloading game.jar first
After downloading and installing, remove it and try  downloading game.jad file
game.jar        game.jad


Now ,if you are a developer of a mobile website owner, you will probably need to make .jad files for each softwares and games for your users.
I Will tell you How to Create .jad files within seconds without wasting your valuable time.!

How to Create .jad files for .jar files.
To do this ,first of all, download all needed files
Download jadwizard.exe
Download test game game.jar

Put them on desktop.No need to install anything!


Drop ice_age.jar on jar wizard.exe


Now you can see a .jad file created on same folder(desktop).
Its your .jad file.


Now put your jad file and jar file in same web directory
and try downloading .jad file!
You are done!!! :)