where the installer files located on galaxy tab those are downloaded from Android marketplace

I have downloaded several free applicaitons from android marketplace. N开发者_开发知识库ow, I want to transfer these application to another galaxy tab. But, however, I can't find any installers(.apk files) for those application on my tab. How will I locate them and transfer the applications please? Thanks in advance.

Download any app. for creating backups of the installed applications. Astro File Manager is one such reliable application available in Android Market.

The apk files could be then send via. bluetooth, email,...

Download Astro File Manager