Japanese Mobile is a theme aimed at making a functional Drupal site for Japanese mobile phones(DoCoMo, au, Softbank). Since Drupal doesn't work with Japanese mobile phones by default, the theme uses a number of overrides in order to make Drupal compatible with them.
Features
User agent detection & dynamic header depending on a carrier
Inline CSS in order to deal with DoCoMo's inability to use external or header CSS
No javascript since it doesn't work on mobile phones
Character encoding conversion of HTML output fom UTF-8 to Shift_JIS
Character encoding conversion of $_POST from Shift_JIS to UTF-8
Session handling by URL-rewriting instead of cookies
Important: Updating to 6.x-1-1
As of 6.x-1-1, the Japanese Mobile eliminated core hacking by adding dependency to URL alter. If you are upgrading from the previous versions, you will need to set the value of url_rewriter.tags to an empty string in your settings.php as in the default.settings.php, as well as removing the hack from common.inc. Please see #764232: Avoiding hacking core files.
Japanese Mobile is developed and maintained by Audia K.K.
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