Google wallet uses direct CVV access , it is successfully carrying its operations at USA because most of the banks are using CVV tech till now, in Asia till now it is only available om discover( Dinner Club Card international Network) and JCB card issued in Japan and China. Google wallet is not supported on verified by visa or by Master-card secure code, if you want to use Google wallet you need to have a valid US address with valid US phone number, if you want the service in japan you first need to access your NFC chip present on your debit/credit card by your mobile then install Google wallet. Till now it is not present on any other Asian country , Yes it is available in Russia but you cant add more than 3000 Rebels into your Google account. Wait till it gets into your country or use similar app provided by bank/developers from your country.