This tablet is running Android 2.2, so nthis may not work but shouldn't d any damage.
Install Towel http://towelroot.org/ if your device isn't compatible it will say so.
Check out http://youtu.be/vbeVZHF563o
Before you try anything be on the side of caution
Just a question, does your Klu once fall down on the ground ?
If yes, you have to change the screen or repair it.
If no, try to make a hard reset of the Klu.
Thanks, Ciberax