there is a problem on the issue of controls is not working computer control only works touch

Device : Tablet Android Lenovo ideaTabA1000L-F

I have a problem with the controls have a control on my tablet computer that outside the game if it works but no longer in the game is nothing to control the game only works with the touch and the control is good for you to buy yesterday and buy for the minecraft pocket edition is very good and I wanted to have a better experience of gameplay in the game please fix the problem