I just tried it on my iPad mini and it seems to work perfectly.
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Which app are you referring to? If its the Aurasma app, make sure you are trying the iPad/iPhone app as opposed to the Android app with Google Play.
The IPad Forum is a community of members from all walks of life and from all over the world coming together to share our experiences and to help each other learn about this wonderful piece of technology the Ipad. There is a wealth of information already here in the many threads we have so doing some searches will answer most of the questions you have. If then you cannot find the answer you are seeking then by all means post your question. There are many friendly and informed members here only too willing to help you.