Buttons is not working correct on android

You can see down blow. Inside yerleske i add a couple buttons and some of buttons color is changes randomly with time and player has to click this changed buttons. Its working on Pc but on Android, its not. When i click a button game says its wrong button but it isn't wrong. When i click number2 instead of 1 its working. You can see when i click wrong button is answering. Can you guys help me with that?

Thank you for everything.

PS: yerleske has Grid Layout.