Before you start below, make sure to download "gFlash" on your iPhone, iPod Touch, iPad. When you go to iTunes App Store, search "gFlash." There are free and paid versions. You can use the free version, but if you feel like it, you can download the paid version. This is a link to the free version. This is a link to the paid version.

New: Kanji has been added. Search "Nakama Kanji" and you can download the files. This is how it looks when you search. This is how it looks on iPad with Multiple choice mode.

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Make sure you have gFlash downloaded on your iPhone/iPod Touch/iPad. Open "gFlash," tap on "Menu" and go to "Seach gWhiz Catalog." Enter "Nakama Vocabulary" in the search field. Alternatively, you can enter "Satoru Shinagawa" in the search field. Then, tap on "Search." Vocabulary lists for Nakama show up.
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Select the chapter you want to download, and tap on "Yes." In the example above, Ch.3 was selected. The chapter you selected was downloaded to your iPhone/iPod Touch/iPad. Tap on the chapter and start studying! This is how it looks on iPad. Click here for a bigger image. iPad image, thanks to Charles Kelly.