The initial enthusiasm for the Google Nexus One 'superphone' is turning to frustration for many purchasers. Since last week's launch, thousands of queries have appeared on Google's help forums. Although questions about the customer's chosen mobile network and tariff are dealt with by their mobile operator – T-Mobile in the USA if customers are choosing the subsidised Nexus One device – any queries about the phone itself or about the purchase and shipping process are handled by Google.