Samsung Galaxy Nexus Since the arrival of iPhone and Android, Japanese cell-phone market has been under the great technological change and revolution along with other parts of the world. While most of the iPhone users in the country are totally satisfied with the product, those who use Android have some trouble in using Android-based phones due to its complicated features and too many different versions of the OS. Apple, for example, updates versions of the company's major products in the inclusion of iPhone and iPad in keeping with the other, except for old models. Meanwhile Android-based products vary widely from model to model. While those created by Samsung, which is considered as Google's best partner, has advantage in terms of updating models into the latest versions of Android, like Galaxy series, other company's models remain old versions. That is because even Google doesn't know if the latest OS works on all Andro...