This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Can anyone clarify this question? Do I need to have a Android developer account $25 created in order to test the app on the real device? Otherwise the testing can only be done on an emulator? With a single account or a certificate can I test the app on multiple devices?