>>3 cool,
>>1 also you can try Manga University with books and I think there was a digital version of the books,
you also want to cheek out NHK world news website as that has free Japanese lessons, it has Hiragana and Katakana which is the base Japanese alphabet.
copy and past link - NHK -
http://www.nhk.or.jp/lesson/english/syllabary/
/sage