Further , even though the application was not designed to read books , the Wall Street Journal journalist Ben Rooney managed to understand a page from Harry Potter y el Prisionero de Azkaban .
However , testers who took the app to other countries said it had been useful .
Even though the application was not designed to read books , the Wall Street Journal journalist Ben Rooney managed to understand a page from Harry Potter y el Prisionero de Azkaban .
However , testers who took the app to other countries said it had been useful .