Hey siren, i am a big fan of your games, but i play it on android and there is a problem with zombies retreat 2, when the mission "win the violet cup" is on-going and i had to defeat those zombies, only "A" and "B" keys and joystick appears, those "X" and "Y" keys disappear how can i shoot zombies without it ? Please help bro. I don't wanna lose my progress