uYou also have a help file (the
right button like a “book”)
in the popup window of IME. Go to English Manual.
uWhen you want to write in English, you have to change the
icon JA back to EN.
uDo not play with underlined words, by converting them to かんじ. There
are usually hundreds of suggestions, and if you don’t know the correct かんじ, you will
end up writing words that are completely out of context.