Kana
This extension teaches you the Japanese script (Hiragana/Katakana) through a little game inside your browser.
Additional files are visible only to premium users
manifest.json
{
"update_url": "https://clients2.google.com/service/update2/crx",
"manifest_version": 2,
"name": "Kana",
"description": "This extension teaches you the Japanese script (Hiragana/Katakana) through a little game inside your browser.",
"version": "1.0",
"icons": {
"128": "icon.png"
},
"permissions": [
"activeTab",
"storage",
"https://ajax.googleapis.com/"
],
"optional_permissions": [
"tabs"
],
"chrome_url_overrides": {
"newtab": "newtab.html"
}
}