No security measure has been taken in most free Wi-Fi. Just imagine that your password and the content of your Email are read by somebody else. In Japan, fraud is rampant. You must give up the idea that Japan is a safe country.
Related topic [ Is Wi-Fi available at all lodgings? ]
2016.05
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What are the telephone numbers to call in case of emergency?
Police 110, Fire Department 119, Ambulance 119, Rescue (distress in the mountains etc) 119
Pilgrimage
Ohenro Navi [ iTunes (JP) ] [ Google Play ]
・There are a few pilgrimage applications. They are not useful in mountains because they use Google map which does not contain the road in the mountainous region.