Make Seven-11 your all you can eat restaurant!!! The food there is deelish!!! Try the curry ramen, all of the sandwiches and triangular or circular or oblong rice covered meals. Also, the ramen in the ramen museum - you can make as many as you can!

I assume till late at night, we stayed for dinner and nearly everything was open at around 9pm. It didn't look like anything was going to close because they wanted the tourist traffic to stop in and shop

First of all they speak Japanese because most of the people are/were born in Japan. However there are some employees at the restaurants and shops who speak Chinese. I've heard Mandarin once but giving that most are immigrants from long ago they must speak Hakka and other dialects from the regions they came from. There is a Chinese school in Yokohama so they must have learned Mandarin at school at least.

Everyone we spoke to, spoke English back to us.

I cant tell ya where parking would be at. I took the line everywhere and walking wasn't much of a problem.

Most is open at 10.00 am but Dongkehote shop open 24 hours.

10pm in average

When you get to Japan you will find Subway maps in English. it would be nice if you learned a little of the language before departure. Words like "Map" CHIZU - learn how to say please and thank you needless to say go a long way in any country. Please give me: O-Ne-Gai-Shi-masu. It's a bit scary getting around if this is your first time going in and out of the train stations, but you can do it with a good dictionary be it a paper or electronic type and a little knowledge of the language. If you have the time try and learn HIRIGANA AND KATAKAN, this will save you because much of what you read in HRIGANA can be easily translated with an electronic dictionary. They use to be very expensive, but you can buy yourself a Cannon Word Tank for less than a $100 dollars now or less on Ebay. Carry a backpack with pencil and paper, your dictionary and "Toilet Paper." So much for the lecture, if you don't have time to learn a little Japanese you should still be fine because most all the train stations have the name of the station in ROMANJI - Romanized letters (English of sorts) Hirigana and Kanji. To try and answer your question a little better there are two or three Rail Road lines going in and out of Yokoham station and they should be labeled in English as to the direction back to Tokyo. There is a Local train that stops at all the stations from Yokohama to Tokyo and then there are more direct lines that are faster and make only a few stops along the way. The TOHOKU line is the local line and if you get hold of a map it will be in BLUE, if you get on the faster train the TOKAIDO line going to Tokyo it's GOLD in color. Both trains will stop at Shingawa station (6 stops before) just before you get to Tokyo. I hope this will be of some help to you. Don't just walk up to the station workers and ask for a map, they may shake their head at you. Chi-zu O-Ne-Gai-Shi-masu will get you a map with a smile. Best of luck to you and enjoy Japan. It's a beautiful country.