Blue lines after i rooted my device

A

AC Question

after i rooted my device , something appeared on the top of my device screen , showing number such as dX 0.0 , Xv 0.0 , etc2 and it wont go away . besides that , everytime i swipe my screen it will leave behind a blue line , and it wont go away until the next time i touch my screen again . please help me out , i got screeshots but sadly cant post it up here .
 

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