Can I purchase the app without a credit card (on Google Play)?
For those who want to buy an Android app without using a credit card on Google Play, here’s the answer:
Buy an app without credit card in Russia and Ukraine (QIWI.RU) - http://4pda.ru/forum/index.php?showtopic=137860
Buy an app without credit card in Poland, you need BZWBK card. Find more information here.