The feet do not go far enough apart so the tablet is not sure when setting up cross but wobbles. The upper arm can not keep the weight off. In landscape mode, it's at the slightest touch by (and sometimes must tap one time or wipe), it is sufficient actually already wobbling at the table - that would certainly become funny on the train. In portrait mode is allowed only find any good position, in which the tablet would have thought. So off with "free adaptation of 30 ° to 90 °" - which incidentally was not even with a smaller tablet. Too Bad.
Sure, there are devices for which the stand is ok - but a more realistic product description would have saved me this bad buy.