Georgia international Khizanishvili said: "I have many friends in the Ukraine and people I talk to are amazed at how well Elano is playing.
"He was a good player for Shakhtar. He helped them to win some titles - but not like he is playing in England.
"The fans at home see him on TV and he is like a different player.
"They ask me why and I cannot answer them, so I am looking forward to seeing this phenomenon more closely for myself. Perhaps then I will have some answers."