If you are traveling to one country, you should consider purchasing a SIM card (or renting or even buying a phone if your trip is more than a couple of weeks) for that country.
While you can usually get a SIM card when you arrive, Cellular Abroad has figured out which is the best SIM card for travelers and offers them for sale before you leave on your trip.
Safeguarding your smartphone from data theft is becoming more and more important.
Among Android devices, ESET Mobile Security for Android continues to be recognized as one of the best.
Unless you can live with the idea of putting your phone away and using it strictly for emergencies (and most people underestimate their cell phone usage to begin with), these rates will put many a pocket book to the test.