Go find the replacement parts on ebay and replace it yourself free of charge. But need your time though.
If not buy a new one leemeber only buy those Gorilla 3 glass which doesn't shatter so easily again.
The Nokia N1 tablet has this screen looks beautiful superlight not cheap plastic like XiaoMiPad and good quality screen with the latest Android Lollipop and Z launcher. It cost the same as XiaoMiPad.