Don't just Google-Translate the language option... 日本人 does mean Japanese, but it refers to the Japanese people, not the Japanese language. 中国的 means "pertain to China," not "the Chinese language."
Sorry about that. We had an unexpected downtime this morning. We are investigating the issue, and will be taking steps to help ensure that this kind of thing does not happen again.
Possible causes : flash player corrupt - install the latest version again. Your browser doesn't allow flash files to be saved - right click the game screen and check the local storage settings for flash. Or it could be your browser has a corrupted version of the game in its cache - try refreshing the page.
Sorry about that. We had an unexpected downtime this morning. We are investigating the issue, and will be taking steps to help ensure that this kind of thing does not happen again.