Long back when CM10 was on beta stage, it too had no mass storage feature. I found this app on CM10/AOKP discussion thread by a user allowing you to connect the your phone to PC/TV in mass storage mode. Fortunately this works with XXLSJ too!
Download link: http://goo.gl/sNio5
Note: THIS IS NOT MY WORK. I DO NOT TAKE ANY CREDIT. I AM JUST SHARING IT SO THAT IT IS USEFULL FOR OTHERS. TO WHOEVER DID THE APP - THANK YOU FOR YOUR TIME AND SHARING IT.
1. Install the app
2. Grant root access
3. Connect the USB and open the app/notification
4. Tap on the blue android and wait for it to turn green. Done!
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