Game is arcade, but has neither time limit or lose condition, so player just have to get bored and turn it off which is not good. Items are hard to grab - I stopped bothering with spoons and forks, but even teapots are hard to grab, which should be main thing, plus items are disappearing too quickly if touch red line, people are imperfect and people can make micro movements towards out of central zone when initially placing object. I understand you wanting people not to cheat, but was there a reason to focus on that?
Overal while I understand concept and tying Teahouse in song to actual restaurant is cool, we are more dishwasher than anyone connected to tea here...