He's pretty damn near impossible to get the ball off, technically skilful and incredibly strong. Very good passer and he's creative around the box, also gets into it (the box) so he is dangerous in advanced positions with good heading ability and a very powerful shot. However to counter that he looks like Can in his defensive movements, or worse, slow and not a good tackler. United seemed to play him quite withdrawn against Burnley which was very strange, especially with Matic on the pitch, but I was happy to see him there ... far less influential than when plays further forward as a virtual AM.
He's still young though and the jury's out. Could go either way, especially if he's allowed to concentrate on his attacking / creative skills.