It is possible to change campus, you must go from Asia or non English speaking countries to England, US, or Canada (Asian campus to English campus) or from England, US, or Canada to Asia or non English speaking countries.
Or some people can do it by simply switching from wifi to 3G on orange network or some other networks as they use Asian servers.
How can I Reset? If you want to reset you must email the support team at support@athinkingape.com In the email you include: Your Profile name What app it is that you want to reset on Why you want to reset When you started When was your last purchase if any Your geographic position