In the room where there is a vacuum, I'm supposed to pull down the switch four times. Just to repost a comment I made in Machinarium for iPad2 Issues http://amanita-design.net/blog/2011/09/10/machinarium-for-ipad2-issues/
I believe to pull the switch down 4 times means to do it consecutively without stopping. On PC we just use the mouse to drag the switch up and down 4 times. But on iPad, the only way to make the switch move is by tapping at it. And each time I tapped on it, the robot only moves the switch once and then stand by. I try to tap on the switch with very high frequency. But the robot would only do once -> standby -> do once -> standby, never continuously.
I hope the team pay attention to us. I love this game and I’ve come so far. Please fix it and let us rescue Joseph’s girlfriend and they will live happily together ever after. Thank you.